Prednival
[化] 潑尼松龍戊酸酯
??? 情景例句
What a job! Good work, Richard!
你拍得很棒， 好作品， Richard！
Knowledge advances by steps and not by leaps.
知識只能循序漸進，不能躍進。
He is now retiring from political life and has gone abroad.
他現(xiàn)在退出了政界，到國外去了。