Valvulae bicuspidalis
[医] 二尖瓣, 左房室瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
🗣️ 情景例句
It doesn't take long for most pop icons to become yesterday's news.
大多数偶像明星很快就会成为昨日黄花。
Never too late to mend.
过则勿惮改。
It was half past four. Everything was ready.
一切都准备好。