例句與造句

1. After making sure of the system condition , it is necessary to perform “ try engine ” procedure thoroughly before engineer manoeuvres the main engine by the system
   在確認(rèn)系統(tǒng)狀態(tài)之后，有必要徹底地進(jìn)行主機(jī)試驗(yàn)程序，在輪機(jī)員通過(guò)系統(tǒng)操縱主機(jī)之前。
2. It's difficult to find try engine in a sentence. 用try engine造句挺難的