Propargyl
炔丙基
🗣️ 情景例句
Hello, how are you doing today?
你好， 今天怎么样？
Turn left at the first light. You can't miss it.
到第一排红绿灯处往左拐。你不会找不找的。
No, I couldn't do that. Everybody else will be wearing jewellery. I can't be the only woman who isn't wearing jewellery.
不，我不能戴花。别的人都戴首饰，唯有我一个人不戴首饰，这怎么能行呢？