Methylnicotinamide

[化] 甲基煙酰胺

??? 情景例句

So, what were you two talking about?
你們倆剛才談什么了?
Excuse me? I didn't hear what you said.
對不起,我沒有聽清你說的話。
Do you think you'll be able to go to sleep right away?
你認為你馬上就能睡著嗎?
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?? 更多 M 開頭的單詞

mce
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