Cascading
[計] 級聯
??? 情景例句
It's so soothing.
是這樣的安詳。
The telephone is ringing.
電話鈴響了。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
島上幾乎沒有一顆樹，也沒有淡水，但這不算什么問題。