Chondroectoderm
[医] 软骨外胚层
🗣️ 情景例句
Thank you, Mrs. Martinelli.
谢谢， Martinelli太太。
Excuse me. May I get by?
对不起，我可以上车吗？
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。