Acetylurea
乙酰脲
🗣️ 情景例句
You're welcome.
别客气，欢迎你再来。
Don't make it any worse than you can help.
尽量不要把事情弄得更糟。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。