Hexamethyleneamine
己烯胺
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
I have been selected as this year's recipient of the Award for Outstanding Performance.
我成为了今年的杰出表现奖的获奖人。
OK!said Miss Yang kindly.Let's forget the whole thing.
“很好！”杨小姐宽厚地说，“让我们忘记全部的事情。”