units
['ju:nɪts]
n.
单位;
[药剂学]（药物、疫苗、血清、抗原等的）单位( unit的名词复数 );
装置;
一件（商品）;
（栋公寓大楼中的一套公寓）单元;
例句:
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Paramilitary police units are taking part in rescue efforts.
准军事警察部队正在参与营救行动。
来自柯林斯例句
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The call-up of National Guard and reserve units begun in late August.
国民警卫队和预备役的征兵工作8月下旬开始。
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There are sixty thousand housing units on the market.
来自NEWYORKER
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Try dollar-cost averaging -- purchase units at regular intervals.
来自CNN
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A centimeter can be infinitely divided into smaller units.
一厘米可以无穷尽地分成更小的单位。
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So what units are used for this loudness measurement?
来自BBC