Equidensitometry
等密度测量
🗣️ 情景例句
Medicine should be stored somewhere your kids can't reach it.
药物应摆放在孩子们够不着的地方。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
This factory opened in 1989. We make many kinds of useful things here.
这家工厂是在1989年建成的。 我们制造许多有用的东西。