Hemaglobinometer
血红蛋白计
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Two is company, but three is none.
两人成为伴，三人不结侣。
What are you doing this evening?
今晚你打算干什么？