Triazine
三嗪
🗣️ 情景例句
He's gone for the summer.
他夏天度假去了。
I think your industrial robots are the best in the field.
我认为你们的工业机器人在这领域是最好的。
No, I think it'll be all right for him to go to school.
不，我想他去上学没什么关系。