button
a small, round object, usually made of plastic or metal, sewn onto a piece of clothing and used for fastening two parts together
纽扣
[名词]
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登录door
the thing we move to enter, exit, or access a place such as a vehicle, building, room, etc.
门
[名词]
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登录to close
to move something like a window or door into a position that people or things cannot pass through
关闭
[动词]
关闭
登录to open
to move something like a window or door into a position that people, things, etc. can pass through or use
打开
[动词]
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