湍急的英文：
[Formal] (of currents) rapid; rushing
參考例句：
The subterranean flow is rapid
暗流湍急
The current is running strong.
水流湍急。
Torrential mountain streams;a torrential downpour.
湍急的山溪流;傾盆大雨
The current of the river is fast flowing and treacherous.
這條河水流湍急，變幻莫測。
The little boat kept veering from its course in such a turbulent river.
小船在這湍急的河中總是改變方向。
The raging stream bickered down the valley
湍急的澗水嘩啦嘩啦地淌下山谷。
The raging stream bickered down the valley.
湍急的澗水嘩啦嘩啦地淌下山谷。
The river is out of bounds because of strong currents.
這條河現在由於水流湍急,遊人禁止入內。
Sammy sniffed sweet smelling sunflower seeds while sitting beside a swift stream.
薩米坐在湍急的溪流邊聞着香甜的葵花籽。
She hung on as the freezing, rushing water cascaded past her.
她抓得緊緊的.，任憑冰冷湍急的水流從她身上傾瀉而下。
formal是什麼意思：
adj. 正式的；禮儀上的；有條理的；正規的；公開的 ；拘謹的
You should recast the report in formal wording as it is a formal occasion.
這是一個很鄭重的場合，所以你的報告應改的正式一點。
A formal note is essentially a formal personal letter.
正式照會實質上是正式的個人函件。
They are very formal in their business transactions.
他們的商務議事很有條理。
currents是什麼意思：
n. （水，氣，電）流；趨勢，潮流
adj. 現在的；通用的；流行的
erratic current
渦流|不穩定的電流
Stop the current transfer Stop the current transfer (ESC)
停止當前傳送停止當前傳送(ESC)
A device used to convert direct current into alternating current.
反用換流器用於變直流電爲交流電的儀器
rapid是什麼意思：
adj. 快速的，急促的
n. 急流
run the rapids.
衝過急流
biological section rapid treater
生物切片快速處理儀
shooting the rapids in a ruBBer raft.
使橡皮充氣船快速行駛
