LanGeek
这些介词表明某物是由什么构成或由什么组成，或者它来自哪里或它会变成什么。
审查
闪卡
拼写
测验
used to indicate the substance or source from which something is made or composed
从
used to indicate the material that is used for a purpose
以
used to show what something is made of or composed of
在
used to indicate the material that something is made of
在......之外
used to indicate the origin or nationality of a person
used to specify the source or origin of something
used to indicate a transformation or alteration from one state or condition to another
直到
used to indicate a transition or progression from one state or condition to another
向
used to specify the substance or material from which something is constructed or made
的
used to express a shift or alteration in a state, condition, or situation
于
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