Msus
abbr. midstream urine specimen 中流尿标本
🗣️ 情景例句
the reason my apple pie is famous--cinnamon.
我的苹果派就是靠它出名的 肉桂。
What are these things doing here?
这些东西怎么会在这里？
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。