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
Never chew with your mouth open.
嚼东西时别张着嘴。
That is not good language which all understand not.
不是人人都懂的语言不是好语言。
and who drew his conclusions fearlessly.
并大胆地得出自己的结论。