Haemoglobinometer
血色素计
🗣️ 情景例句
Your luggage is all here?
你的行李就这么多吗？
Thank you.
谢谢。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。