Triazine
三嗪
🗣️ 情景例句
we'll surprise her.
我们再让她惊喜一下。
I subscribed to a lot of periodicals last year.
去年我订了许多期刊。
He started to complain about this wicked world but was interrupted by a knock at the door.
他开始抱怨起这个邪恶的世道来，却被一阵敲门声打断了。