- United States of American. 美国，美利坚合众国;
- aperture of door门口;
- anchorage of reinforcement钢筋锚具;
- abstraction of heat减热;
- a rule of thumb概测法;
- breadth of section截面宽度;
- be sure of oneselfv.自信;自信满怀;
- cut back on减低;
- circle of lifen.生命轮回;
- chains of islands岛群;
- drop out of schooln.退学;停学;
- Dean of Studies研究主任
- expiry of employment雇用期满;
- figures of speechn.修辞格，比喻( figure of speech的名词复数 );
- fact of life无法更改的事实;
- give something off给点东西
- letter of acceptance承兑函;
- let the cat out of the bag让猫从袋子里拿出来
- Ministry of Foreign Affairsn.外交部;
- out of touch失去联系;
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