was present in翻译

was present in的基本解释

读音: 美: 英:

存在于：指某个事物或现象存在于某个地方、某个时间或某个群体中。

例句

Central heating was present in every upper-middle-class home by the second half of the 19th century.到19世纪下半叶，中央供暖系统已出现在每个中上层家庭里。
Central heating was present in every upper-middle class home by the second half of the 19th century.到19世纪下半叶，中上层阶级家庭都用上了中央供暖。
we realized that all of the business logic was present in the servlets.来深入探索原因的时候，我们意识到所有的业务逻辑都放在了这些 servlet中。
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