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[化] N-乙酰甲苯胺

??? 情景例句

Now may I please say hello?
現(xiàn)在我可以說聲哈嘍了嗎?
One man makes a chair and another man sits in it.
坐享其成。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想,有許多人需要打電話到火車站、汽車公司或電影院,以便弄清火車、汽車的起始時(shí)間或電影放映的時(shí)間吧。
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?? 更多 A 開頭的單詞

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