Bertrandite

羥硅鈹石

??? 情景例句

But how did you know the party was for you?
但是你怎么知道派對是為你舉辦的呢？
Would you mind opening the window?
你介意開窗嗎？
I can't afford that.
我買不起。
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?? 更多 B 開頭的單詞

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