Pectus carinatum
[医] 鸡胸
🧩 词语组成解析
[医] 胸
🗣️ 情景例句
when it's very cold out.
冬天外面很冷的时候。
Where is immigration?
入境处在什么地方？
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。