He has carried out extensive research into renewable energy sources.
他已經(jīng)對再生能源進行了廣泛研究。
The research was carried out on a modest scale.
這個研究項目開展的`規(guī)模不算太大。
The experiments were carried out under simulated examination conditions.
試驗是在模擬的情況下進行的。
Carry on the good work!
干得不錯，繼續(xù)努力吧！
She ignored him and carried on with her work.
她沒理他，繼續(xù)干她的活。