Microdensitometry
微密度测定
🗣️ 情景例句
I'd like to make an appointment with Miss Xu.
我想跟徐小姐约个会面的时间。
Now, shall we begin?
现在，我们开始吧。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，