Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
Please wait for me. I won't be long.
清等等我，就一会儿。
We went to a concert last night to hear the symphony orchestra.
我们昨晚去了一个音乐会听交响乐乐队演奏。
Patience is a mark of confidence.
耐心是自信心的一种表现。