Ferroprotoporphrin
(=heme)正铁血红素
🗣️ 情景例句
You'll probably want the family car
你也许需要用家里的车
Come to me if you're in any difficulty.
有困难来找我。
The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
大陆是崎岖不平的高地，高出辽阔海洋海底近三英里。