an的用法总结大全思维导图

art. （用在元音音素前）一

如：

If the CFL should be used for lighting a particular space, or an object within that space, the fixture must be designed to work with that lamp, and that fixture with the room.

如果 CFL 是为特定空间照明或仅照亮空间内的一个物体，其装置的设计必须和灯本身匹配，灯具装置也要与房间相匹配。

Maybe there’s no need for an upgrade and that’s OK.

或许，你并没有必要提升形象，那也没有关系。【句子解析】本句是一个由and连接的并列句。分句一使用了there be句型，由“there + be(is)+主语（no need)”构成;介词短语for an upgrade作后置定语，修饰need;副词Maybe作状语。分句二是一个简单句，其主语是that，系动词是is，表语是0K。

Every habit has at least one trigger an event that immediately precedes the habit.

每个习惯至少都有一个导火索,它们指的是那些会导致习惯立刻发生的事情.

It was like living in an age you could never have imagined, and that never has come back.

你就像是生活在一个之前从来都无法想象的时代，而且那个时代也一去不复返。

This is an old idea.

这是一个古老的观念.