Cavitat
[医] 腔, [空]洞, 盂
🗣️ 情景例句
I love her very much. She's been a joy.
我很爱她。她是个讨人喜欢的孩子。
The wise man is always a good listener.
智者善听人言。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，