Camera cordis
[医] 心包
🧩 词语组成解析
adj. 心脏的
🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
That's your book.
那是你的书。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。