Water could surge over levies and flood estuaries, where organisms depend on a careful balance between salt and freshwater.

汹涌的海水可能会漫过堤岸（原文levies 似有误，估计是levees）和泄洪河口，那里的海水和淡水间保持着细微的平衡，是有机生物体赖以生存之处。

youdao

Behind the surge lie contradictory priorities that arose over two decades of fast growth.

在房价飙升的背后是中国二十几年高速增长过程出现的一对矛盾问题。

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Advocates for the refugees argue that the surge seen over the past year only reflects the fact that greater Numbers of people are fleeing Iraq, Afghanistan and a few other war-torn countries.

倡导收容难民的人认为过去几年难民数量激增只能说明有越来越多的人从伊拉克，阿富汗以及其他饱受战争的国家逃亡的事实。

youdao

The Iraq surge involved about 20,000 U.S.combat troops over a period of a year and a half.

VOA: standard.2009.11.04

Others say the surge over the past year simply reflects greater numbers fleeing conflict zones.

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But as the first half wore on Hull KR established a foothold and got their first try thanks to Galea's side-step and surge over the line.

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They have a roster full of young, hungry players and a surge over the next year or two might make NBA basketball in Charlotte relevant again.

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