Valvulopathy
[医] 心瓣病
🗣️ 情景例句
It's natural.
这是很自然的。
Such beginning, such ending.
有怎样的开始，就有怎样的结束。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。