Phenidin
[医] 非尼汀, 乙酰对氨苯乙醚, 非那西汀
🗣️ 情景例句
My apologies.
我道歉。
Could I possibly make it early in the afternoon?
我可以约在下午一上班的时间吗？
When several elephants are being trained at one time,
几只象同时训练时，