Synchondroses sternalis
[医] 胸骨软骨结合
🧩 词语组成解析
[医]（单synchondrosis）软骨结合
胸骨肌
🗣️ 情景例句
You won't feel a thing.
你一点也没有感觉。
Do you have a book?
你有一本书吗？
It's about 400 yards from here.
离这儿大约有400码。