Cavum pericardii
[医] 心包腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
I could burst.
我吃得要撑死了！
Don't give up.
别放弃。
Mr Hu stood at the starting line. All the runners got ready to run.
胡先生站在起跑线上。所有的运动员都做好了起跑准备。