Etofylline
[化] 乙羥茶堿
??? 情景例句
Work harder and practice more.
要更加努力地學習，更加勤奮地操練。
Wit once bought is worth twice taught.
親身一次的經驗，抵得上老師兩次的教導。
Do you think you can follow our specifications for packing?
就照我們的指定方式裝箱，沒問題吧。