Paroxypropiophenone

對羥基苯丙酮

??? 情景例句

He bites off more than he can chew.
貪多嚼不爛。
While you were writing letters,I was reading a book.
當你正在寫信時,我正在讀一本書。
Reading is only a partial solution,
看書只能解決部分問題。
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?? 更多 P 開頭的單詞

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