Valvula
n. 瓣, 瓣膜\\n[医] 瓣, 瓣膜
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
His health has been lousy.
他的健康状况近来很糟。
There is an electric cooker in the kitchen.
厨房里有个电灶。