Hematoglobin
血红蛋白
🗣️ 情景例句
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
How often did I tell you not to speak so loud?
我告诉你多少次不要讲话这么大声?
Oh, hello, Jim. Glad to see you again. How are you?
啊，你好，吉姆。很高兴又见到你。你好吗？