Sacrificial metal
[机] 保护性金属
🧩 词语组成解析
a. 牺牲的, 献祭的, 亏本的
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
I'll have to go home.
我必须回家一趟。
Why didn't you write me?
为什么你不给我写信？
I had no sooner got off the ship than I was assailed by a man who wanted to sell me a diamond ring.
我刚下船，就被一个人截住，他向我兜售一枚钻石戒指。