Pyridylacetic acid(hpac)
[化] 吡啶乙酸
🗣️ 情景例句
Keep your eyes on the road.
专心开车。
I took 4 feet of cloth.
我拿了四英尺布。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。