Sea temperatures have risen by 1c in the past 25 years and more exotic southern species have entered North Seawaters.
在过去25年里，海洋温度已经上升了1度，更多南部外来物种进入了北海水域。
2
The beagle studied the waters in the sea near South America.
小猎犬研究了南美洲附近的海域。
3
Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.