Pyridylacetic acid(hpac)
[化] 吡啶乙酸
🗣️ 情景例句
Do you frequently surf the net?
你经常上网吗？
Do we exist?
我们实际存在吗？
Here you are. Put them on, please. You must look after your clothes.
给你们，穿上吧！你们要好好保管你们的衣服。