Unit 13
1,Cube n立方體；立方形；正六面體
The cube of 5 is 125. 5的立方是125。
The cube root of 27 is 3
Cubic adj.立方體的, 立方的a cubic meter 立方米
Square n.正方形 平方
2，sailor n.海員, 水手, 不大會暈船的人, 船員
sail v.航行(于) vi.啟航, 開船n.帆, 篷, 航行
go sailing 坐船航行 marine艦隊海洋的 mariner 水手
3， benefit n.利益, 好處vt.有益于, 有助于vi.受益do good to
a public benefit公益disability benefits殘廢撫恤金(pl)救濟金
be of benefit to the people對人民有好處[U]
This dictionary will be of great benefit to me.這部字典將對我有很大裨益。
Exercise benefits our health.運動有益于我們的健康。
We benefit by [from] daily exercises.每天做操對我們有益。
for the benefit of為了...的好處
It is said Yogo is of great benefit to human health.據(jù)說瑜咖功對人體健康有極大好處。
I did it for his benefit. 我做這個是為了幫助他。
The plants benefited from the rain. 植物得益于這場雨。
4， transport n 運輸 vt.傳送, 運輸,
The goods were transported by train. 貨物是用火車來運輸?shù)�。transportation交通業(yè)
5， property n.財產(chǎn), 所有物, 所有權(quán), 性質(zhì), 特性
This car is my property. 這車是我的財產(chǎn)。
Many plants have medicinal properties. 許多植物具有藥性。
belongings possession property wealth
6，range n.山脈vt.排列vi.平行, 延伸
range from… to…從……到……不等 vary from to
Tempertures here range from 10℃to 30℃
Prices ranged from 5 to 10 dollars.
a range of mountains一列山脈
a range of pictures 一系列畫片
the annual range of temperature每年的溫度變化范圍
a wide range of knowledge廣博的知識
7，all the way adv.從遠道, 自始至終, 一路上
Jack climbed all the way to the top of the tree.他一直爬上了樹頂。
All the way back, they talked about films.
all the time adv.始終
8， unique adj.唯一的, 獨特的
very unique或 more unique than不正確的 nearly unique和 almost unique是可接受的
9，hydrogen 氫 希臘語 hudra 水 + -gen 產(chǎn)生，變成
oxygen 氧
-gen表示“被生成”，“生成的”
10， relative n.親戚, 關(guān)系詞 adj.有關(guān)系的, 相對的absolute
After his troubles, he's now in relative comfort. 困境過后，他現(xiàn)在比較舒服了。
（與to連用）關(guān)于…的；有關(guān)…的
the facts that are relative to this question 與這個問題有關(guān)的事實
the facts relative to the problem與此問題有關(guān)的事實
live in relative comfort生活得較為舒適
be relative to和...成比例; 和...有關(guān)系; 隨...為轉(zhuǎn)移
relation n.關(guān)系, 聯(lián)系, 敘述, 故事, 親戚have relation to有關(guān);和...有關(guān)系
relationship n.關(guān)系, 關(guān)聯(lián)
The teacher has a very good relationship with her students. 這位老師和學(xué)生們關(guān)系很好。
What is your relationship to the victim?
Relate vt.敘述, 講, 使聯(lián)系, 發(fā)生關(guān)系
relate to v.涉及
all the papers that relate to this subject有關(guān)這個問題的所有論文
theory of relativity相對論relativism
11, solid n.固體, 立體adj.固體的 純粹的
He's still too ill to take solids. 他病得還很重，不能吃固體食物。
When water freezes , it becomes solid.
Liquid n.液體,adj.液體的
Gas n.氣體
12, freeze v.(使)結(jié)冰, (使)冷凍, 凍結(jié)
freezing adj.冰凍的, 嚴(yán)寒的freezing air冷空氣
freezing point 【物】冰點, 凝凍點a freezing glance冷淡的一瞥
13, pure
adj.純的, 純粹的, 純凈的, 無垢的, 純潔的, 完美的, 抽象的
pure gold 純金
The water in mountain rivers is usually pure. 在山間河流中的水通常是純凈的。
pure English 純正英語a pure mind 心地純潔
It was a pure accident.這全然是一次意外事故。
by pure chance 全憑運氣 pure science 純科學(xué)
applied impure (非實用的)
14, dense adj.密集的, 濃厚的 density n.密度
15, mass n.塊, 大多數(shù), 質(zhì)量, 群眾, 大量
adj.群眾的, 大規(guī)模的, 集中的vt.使集合vi.聚集
Before the rain, the sky was a mass of clouds. 下雨前，天空有一團云。
（常與of連用）許多；大量
a mass of hot air一團熱空氣
I've masses of work to do.我有大量工作要去做。
the masses群眾, 民眾
Troops are massing on the frontier.軍隊在邊境集結(jié)。
Dark clouds massed, and we expected rain.烏云密集, 我們企盼下雨。
mass production大宗生產(chǎn)
a mass-circulation magazine大量發(fā)行的雜志
16, float n.漂流物v浮動, 飄浮, 散播,
Wood floats on water. 木頭漂浮在水上。
A feather floated down on the wind.一根羽毛隨風(fēng)飄落。
The logs float down the river. 木頭沿河漂流。
The smell of roses floated around.玫瑰花的芳香在四周飄蕩。
floatbridge浮橋,
on the float漂浮著
sink .沉
17, take (full) advantage of v.利用 make full use of
take advantage of sb.v.捉弄某人
take advantage of sth.v.趁機利用
18, decrease n.減少, 減少之量v.減少
The number of children in the school has decreased this year. 今年在校的兒童人數(shù)減少了。
on the decrease在減少中, 在下降中
increase增加
19, substance n.物質(zhì), 實質(zhì), 主旨
in substance 實質(zhì)上,本質(zhì)上,大體上
20, centigrade
adj.分為百度的, 百分度的, 攝氏溫度的
40℃ forty degrees centigrade.
21, absorb vt.吸收, 吸引
This job absorbs all of my time. 這件工作占有了我的全部時間。
to absorb the full meaning of a remark 理解一句話的全部意義take in
He is absorbed in study.他專心讀書。
be absorbed in全神貫注在..., 一心從事, 熱衷于put heart into
absorb sb.'s attention吸引某人注意
22, give offv.發(fā)出(蒸汽、光等)，長出（枝、杈等）
Boiled water gives off steam. The flowers gave off a pleasant smell
23, thus adv.因而, 從而, 這樣, 如此
He sold his farm and thus he had enough money for his journey.
他賣掉了農(nóng)場，這樣他就有足夠的錢旅行了。
There has been no rain - thus, the crops are drying. 天沒下雨，因此莊稼要枯死了。
thus far至今，迄今
as thus這樣, 因此, 這樣一來
thus much這么多; 到這里為止
24, stable adj.穩(wěn)定的n廄；馬房
Is that ladder stable? 那架梯子平穩(wěn)嗎？
a man of stable character性格堅定的人
He is a very stable person.他是一個非常可靠的人。
25, sense n.官能, 感覺, 判斷力vt.感到, 理解, 認識
He has a good sense of smell. 他的嗅覺很靈敏。
a good business sense 有經(jīng)濟頭腦
make sense有 意義；意思清楚；有道理
He sensed that something had happened in his house.
Sensitive adj.敏感的, 靈敏的Insensitive
be sensitive to對...敏感, 易感受...
the eyes are sensitive to light.眼睛對光敏感。
She is sensitive to what people think of her她很敏感人們對她是怎么想的。
26, steady
adj.穩(wěn)固的, 穩(wěn)定的, 堅定的, 扎實的, 堅定不移的v.(使)穩(wěn)定, (使)穩(wěn)固
as steady as a rock穩(wěn)如磐石
making steady progress取得穩(wěn)定的進步
steady rain連綿的雨
a steady man踏實的人
steady in one's purpose意志堅定的
27, motion.運動, 動作v.運動movement
the movement for liberation 解放運動
motion and rest 運動和靜止
28，call in v.召集, 召來, 來訪
29，nurse .護士, 保姆vt.護理, 看護
nursing n.看護, 養(yǎng)育nursery 托兒所
30，recreation消遣, 娛樂
recreate v.(使)得到休養(yǎng), (使)得到娛樂
entertainment.款待, 娛樂, 娛樂表演
31， variety n.變化, 多樣性,，種類
種種；各類
The shopping-centre sells a variety of goods.這個購物中心出售許多種商品。
At school we learn a variety of things. 在學(xué)校我們學(xué)習(xí)各種東西。
（與of連用）變種
new varieties of wheat 小麥的新品種
32， define vt.定義, 詳細說明
definition n.定義, 解說
be blind to
be deaf to
be good to
be known to
be used to
be relative to
be similar to
be married to
be close to
be polite to
be harmful to
be equal to
see to
give birth to
owe… to
refer to
put an end to
look forward to
drink to
devote to
remember to
add to
add up to
set fire to
stick to