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
She suffered terribly when her son was killed.
儿子被杀，她痛苦至极。
Why are you so short?
你为什么那么矮呀？
But that costs more.
可是那样成本较高。