词典释义：
not present in a place or at an occasion
不在的，缺席的
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most pupils were absent from school at least once 大部分学生至少缺过一次课
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absent colleagues .缺席的同事。
(of a part or feature of the body)not forming part of a creature in which it might be expected
（身体部位或特征）缺少的
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wings are absent in several species of crane flies .有几种大蚊没有翅膀。
(of an expression or manner)showing that someone is not paying attention to what is being said or done
（表情，态度）走神的，心不在焉的
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she looked up with an absent smile .她带着心不在焉的笑容抬起头。
(
避开，离开
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various people absented themselves because of his presence 就因为有他在，很多人都没有来
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halfway through the meal, he absented himself from the table .吃到一半，他就离席了。
〈正 式，北美〉 没有
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absent a willingness to negotiate, you can't have collective bargaining .若没有磋商的意愿，你就不可能进行集体谈判。
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be absent (from ...) 缺席(...)
真题例句：
"Middle English： via Old French from Latin
