Ylem
n. 伊伦(宇宙演化论中所假设的最原始物质)
🗣️ 情景例句
And we'll also need some ladders
而且我们还需要一些梯子
I have to hang up now.
我得挂电话了。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。