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成考(高起点)英语介词复习资料(四)

来源 :中华考试网 2016-03-25

  at minus ten degrees centigrade

  摄氏零下10度

  Water freezes at 0°centigrade.

  水在镊氏零度结冰。

  Water usually boils at 100°.

  水通常在摄氏100 度沸腾。

  at zero在零度

  at the rate of 45 miles an hour

  at full speed全速

  at a good price高价

  at a low cost低成本

  at a great cost花了很大代价

  at that time在当时

  Evaporation takes place at all tempertures.

  蒸发在任何温度下都能发生。

  at 1000RPM(revolution per minute)

  每分钟1000转

  at a high speed高速

  The soldiers launched an attack upon the enemy at sunset.

  战士们在日落时对敌人发起了攻击。

  at daybreak日出时

  The force at the core leading our cause forward is the Chinese Communist Party.

  领导我们事业的核心力量是中国共产党。

  The atom has a nucleus at its core.

  在原子的中心有一个原子核。

  At the beginning of this term the teacher in charge of our class was very strict with us.

  这学期开始,我们的班主任老师对我们要求非常严格。

  以及At the first session of the First National People’s congress of the People’s Republic of China.

  在中华人民共和国第一次全国人民代表大会第一次会议上。

  常用的at短语有:

  at first首先,开始时

  at least至少

  at all events无论如何

  at home在家,无拘束

  at one stroke一下子

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