Microdensitometry
微密度测定
🗣️ 情景例句
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
As soon as she quit the room he returned to it.
她刚离开房间，他回来了。
Silicon Valley may prove a classroom for building a global business.
它很可能成为建立全球商业的一个教学场地。