careful的副詞形式怎么寫

　　carefully雙語例句

　　Listen carefully to those questions.

　　仔細(xì)傾聽他們的問題。

　　Engineers distinguish carefully between the two.

　　工程師們仔細(xì)區(qū)分這兩者。

　　He looked carefully around the playground.

　　他仔細(xì)研究在操場上。