Ferritic
a. 以鐵酸鹽為主要成分的
??? 情景例句
It's natural.
這是很自然的。
Is there a pay pnone nearby?
這附近有沒有公用電話？
He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.
晚會結束時，他嘴里還在嘟噥著醫院的事，突然踩到一塊冰上滑倒了，摔斷了左腿。