Triquat
二氢二吡啶并二氮杂二溴化物
🗣️ 情景例句
Good. What do you think, Richard?
好。 你看呢 Richard？
How do you do?
你好！
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。