Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
I don't like to travel during the holiday season.
我不喜欢在放假的季节去旅游。
I'll finish working at 5:30 and get home by 6 o'clock.
我希望在5:30完成工作并且在6点钟回家。
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。