Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
I love cats.
我喜欢猫。
What we are ignorant of is immense.
我们不知道的东西多得不可胜数。
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。