Vba
[医][=p-vinylbenzamide]对-乙烯基苯酰胺
🗣️ 情景例句
He is a good speaker of English.
他英语说得非常流利。
Do you have some stamps?
你有邮票吗？
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。