I think we should take care of the environment, so that we have something to leave for our children.
我覺得我們應該保護好自然,以便將來能給我們的子孫后代留下一些東西。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在這兒,他們可以聽見一種連續不斷的轟鳴聲。后來他們發現這是由山洞頂部的一個小孔里噴出的水柱跌落到水潭中發出的聲音。