Echocardiogram
n. 心回波图, 超声波心动图
🗣️ 情景例句
Here's $ 100 for my ticket.
这是我的100美元。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
No. It isn't real, said Meimei. It was used in plays.
“不，那不是真的，”梅梅说，“那是演戏用的。”