4周搞定2000+托福核心词
水獭
otter
常考释义
However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like.
然而,和海獭及鳍足类动物(四肢水陆两用如海豹,海狮,海象)等不一样,很难想象世界上第一只鲸长什么样。
来源于:阅读OFFICIAL2 P2n. 水獭亚科动物;(尤指)水獭
Since 1977 otter hunting has been illegal.
捕猎水獭1977年以后就被列为非法了。
A good illustration of this occurred after sea otters were eliminated from some Pacific kelp (seaweed) bed ecosystems: the kelp beds were practically obliterated too because in the absence of sea otter predation, sea urchin populations exploded and consumed most of the kelp and other macroalgae.
海獭被从太平洋海藻(海草)床生态系统中移除就是一个很好的例子:没有了海獭捕食,海胆数量暴增,吃掉了大量海带和其他大型海藻。
来源于:阅读OFFICIAL46 P3However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like.
然而,和海獭及鳍足类动物(四肢水陆两用如海豹,海狮,海象)等不一样,很难想象世界上第一只鲸长什么样。
来源于:阅读OFFICIAL2 P2vi. 用网板捕鱼
They ottered for fish in the lake.
他们用网板在湖里捕鱼。
vt. 用网板在…处捕鱼
The lake had been ottered.
已用网板在湖里捕过鱼了。
n. 浮钩具;网板【渔】
n. (水)獭皮
fall apart
崩溃;土崩瓦解;破碎
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