Hexamethylentetramine
环六亚甲基四胺
🗣️ 情景例句
I'm happy to work with you.
很高兴和你们一起工作。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
Here you can see two workers who, between them, have just finished cutting three cartloads of golden brown macaroni stalks.
这里您可以看到两个工人，他们协力割下了3车金黄色的通心粉秸。