Describing function
[计] 描述函数
🧩 词语组成解析
[计] 描述的
🗣️ 情景例句
It will take a few years for the region to recover economically.
这个地区的经济恢复得花几年的时间。
I think a joint venture would be beneficial to us both.
我认为合资经营对双方都是有利的。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。