Phendioxin
[化] 苯并-1,4-二氧六环
🗣️ 情景例句
One piece of advice.
给你一句忠告。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
And at seventeen he set off for the USA with a group of comedy actors.
17岁时随同一些喜剧演员去了美国。