Valvulae venarum
[医] 静脉瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
🗣️ 情景例句
She is dying to go abroad.
她渴望出国。
Did you hurt yourself?
你自己割伤的？
She's not moving. But she's breathing.
她一动不动的。可还在呼吸呢。