- 重点词汇
- diggern.挖掘机;挖掘者;有挖掘习性的动物;家伙;
- aart. (用于可数名词或单数名词前，表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一（个）;每一（个）;任一（个）;
- mechanicaladj.机械（学）的;机器的;无思想的;
- 相关例句
The plane had to make an emergency landing because of mechanical problems.
飞机因机械故障不得不紧急降落。
朗文当代高级英语词典 第6版
The college is famous for its mechanical study, which is the leading in the country.
这个学院的机械学非常有名, 是全国领先的.
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He was asked the same question so many times that the answer became mechanical.
同样的问题被问过太多次了,他的回答都变得机械起来。
朗文当代高级英语词典 第6版
This gives improved retractor blade stability with the mechanical advantage of a lever.
这样增加了牵开翼的稳定性,同时兼具杠杆原理的力学优势.
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For many machine whose input and output are known, its mechanical advantage can be calculated.
对于任何机器来说,如果知道其输入量和输出量, 就能求出其机械效益.(条件状语从句)
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For any machine whose input and output forces are known, its mechanical advantage can be calculated.
对于任何机器来说,如果知其输入力和输出力,就能求出其机械效益.(表示条件)
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