Polyiron
多晶形铁, 树脂羰基铁粉
🗣️ 情景例句
It's hard to say. I like volleyball a lot, but I guess I like tennis better.
很难说，我喜欢排球，但我想我比较喜欢网球。
I'm looking for a part time job.
我正在找兼职工作。
I can't do that, Mr Tiger, said the monkey.
“我不能这么做呀，老虎先生，”猴子说