Matrix steels
[化] 基体钢
🧩 词语组成解析
n. 刀组；各种钢（steel的复数）
🗣️ 情景例句
He ran the drugstore
他经营药房
I suppose it's difficult for you to do this.
我推测对你来说做这件事情是很困难的。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。