Equidensitometry
等密度测量
🗣️ 情景例句
That's quite true, but on the other hand, we have to think of our priorities.
那很有道理，但我们还必须分清轻重缓急。
Often, when it rains, Marty feels blue.
一下雨，玛琪就会变得忧郁。
She's very well, too, Helen.
她也很好，海伦。