* The end of the wires are soldered for fear that they should fray during vibration.
線頭要焊牢,以免震動時松動。
5. should + have +過去分詞句型
should + have +過去分詞結構用于表示過去的事情,如果是肯定句,說明某件事應完成而未完成;如果是否定句,表示發(fā)生了不應該發(fā)生的事情??隙ň淇勺g為“本應該”、“本該”,而否定句可譯為“本不該”等。有時,這種用法也被當作虛擬語氣的ー種。如:
* The dynamite itself should have been implanted in a matrix of inert materials.
炸藥本應該被灌注在ー種惰性物質(zhì)的填料內(nèi)。
* The machine should not have been so bulky.
這臺機器本不該這么笨重。
* Its contact fatigue life should have been comparable to steel.
它的接觸疲勞壽命本應該比得上鋼質(zhì)的。
責任編輯:admin