Insufficiency of valves
[医] 心瓣闭锁不全
🧩 词语组成解析
n. 不充分, 不足, 不适当\\n[医] 机能不全, 闭锁不全, 关闭不全
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
Have you discussed it with your parents?
你和父母商量过了吗？
You're a very beautiful woman. You should try this one. I'm sure you'll be more beautiful than ever.
你是位美人儿。且试一试这个，肯定会让你变得更美丽的。
She sang perfectly in the hall last night.
她昨晚在大厅唱得非常好。