Microvacuum
高真空
??? 情景例句
From the baby!
是胎兒引起的。
I know the boy whose father is a professor.
我知道那個男孩的父親是大學教授。
Recent developments in astronomy have made it possible to detect planets in our won Milky Way and in other galaxies.
天文學方面最新發(fā)展使得我們能夠在銀河系和其他星系發(fā)現(xiàn)行星。