Tribrach
n. 三短節音步
??? 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我們需要游泳池做什么呢？家里人都討厭游泳。
Where can I make a reservation?
我到哪里可以預訂？
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。