Ferroprotoporphrin
(=heme)正铁血红素
🗣️ 情景例句
Uh ... I give up.
嗯……我放弃猜。
How did you decide that product was safe?
你怎样决定产品是安全的呢？
We're out of a lot of the items.
有好几项都缺货了。