Fluoroplastic
n. 氟塑料
??? 情景例句
You'll never be in shape until you eat less and exercisemore.
只有少吃多鍛煉才能健美。
A good book is a best friend who never turns his back upon us.
一本好書，莫逆之交。
the chance of playing a game of football or baseball on Saturday afternoon.
讓他們在星期六下午再踢足球或打壘球