Microcarrier
[化] 微载体
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
Do you ever study English on Sunday?
你曾经在星期日学英文吗？
Oh ! I must get up. I'm late.
我必须起床了，要迟到了。