Hbeag
乙型肝炎e抗原
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
How much flour did you want to use?
你要用多少面粉？
How do I control myself? I can't calm down.
我怎能控制我自己？我无法冷静下来。