Aotocatalyst
[医] 自动催化剂
🗣️ 情景例句
Say hi to your dad for me, and drive safely.
路上小心开车，并请向代我向令尊问好。
How do you spell your last name?
你的姓是怎样拼写的？
Why don't you attend an aerobic class?
你为什么不去参加一个有氧健身班呢？