They also look out for signs of illegal entry, such as broken fences where a poacher may have sneaked in. Poaching remains one of the biggest threats to tiger conservation.
他们也留意是否有非法进入的痕迹，如偷猎者破坏围栏溜进公园。
Aresident douses himself with water from a fire hydrant as the citywater system remains broken after a major earthquake in Talca, March 1, 2010.
2010年3月1日，智利塔尔卡地区发生地震后，当地城市的供水系统遭到破坏，一位居民正用消防栓的水洗头。
It is unlikely that these were the remains of a meal because the bones are not broken down in the way that would be expected if they were partly digested.
这一系列小型骨架不太像食物的残余，因为其骨头非常完整，如果是食物的话便会因为部分消化而遭到预期的破坏。
A portion remains in the sediment, sometimes for thousands of years, while the rest is largely broken down to carbon dioxide and methane, which are released into the atmosphere.
一部分仍沉睡于沉积物中，间或达几千年，而其余的大部分则分解为二氧化碳和甲烷，释放到大气中。
To date, it has been unclear to what extent organic, carbon-containing material remains on lake bottoms, as opposed to being broken down.
迄今为止，还不清楚有多少含碳有机物未被分解存留在湖底。
And when the algae die, their remains are broken down by fungi and bacteria that suck up oxygen, creating ocean dead zones, Morton explained.
死亡后的海藻被真菌与细菌分解，吸收氧气，造成海水缺氧，形成大片的死亡之域。
And when the algae die, their remains are broken down by fungi and bacteria that suck up oxygen, creating ocean dead zones, Morton explained.
死亡后的海藻被真菌与细菌分解，吸收氧气，造成海水缺氧，形成大片的死亡之域。
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