S.g.iron
[机] 球状石墨铸铁
🗣️ 情景例句
This job is killing me.
这活儿都快把我累死了。
The doctor said I looked run down.
医生说我看起来身体渐渐差了。
What do I have to do if I want to be thinner?
如果我想瘦一点的话，我得怎么做呢？”