Etofylline
[化] 乙羟茶碱
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
Wit once bought is worth twice taught.
亲身一次的经验，抵得上老师两次的教导。
Do you think you can follow our specifications for packing?
就照我们的指定方式装箱，没问题吧。