Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Unfortunately, powerful companies to the most damage.
不幸的是，庞大的公司几乎都在制造公害。
I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours.
我把纸袋放在门厅里，与罗伯特一起进了起居室，在那里聊了好几个钟头。