Oxaloacetamide

草酰乙酰胺

??? 情景例句

I'd like to make an appointment with him.
我想跟他約個晤談時間。
This problem is hard to solve.
要解決這個問題不簡單。
This was indeed the case.
但事實上確有此人。
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?? 更多 O 開頭的單詞

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