Interambulacral
[医]间步带的
🗣️ 情景例句
that I never could have done this book
我不可能完成这本书
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
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。