Valva
[医] 瓣, 瓣膜
🗣️ 情景例句
I think I'm a cooperative worker.
我认为我具有合作精神。
She conducted herself well.
她行为端正。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”