1.in order to 為了;以便
例句:In order to make it safe, the element is electrically insulated.
為安全起見,該元件作了電絕緣處理 。
2.mass destruction 大規模殺傷性;殺傷力
例句:Now they lead in the manufacture of weapons of mass destruction.
現在他們在制造大規模殺人武器方面領先 。
3.thousands of 數千
例句:I must have driven past that place thousands of times.
我得有上千次開車經過那里 。
4.base on 以…為基礎;以…為根據
例句:There was no strong organizational base on which to build.
缺乏一個堅實的組織基礎 。