Hemoferrin
血铁素, 蚯蚓血红蛋白辅基
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。