例句：
It's about 2 metres wide.
它大约2米宽。
He looked about the room.
他在房间里四下看了看。
I'm definite about this.
我对这事毫无疑问。
You're completely mistaken about Jane.
你对简的看法完全错了。
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2021-08-27
例句：
It's about 2 metres wide.
它大约2米宽。
He looked about the room.
他在房间里四下看了看。
I'm definite about this.
我对这事毫无疑问。
You're completely mistaken about Jane.
你对简的看法完全错了。