Erythropoietinogen
促红素原
🗣️ 情景例句
May I speak to the head of the household?
我可以请户主听电话吗？
Where is immigration?
入境处在什么地方？
Usually, he catches the number 11 bus to work, but sometimes he goes by train.
通常他乘11路公共汽车去上班，不过他有时乘火车去。