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The nautilus keeps well clear of them. 鹦鹉螺必须远离它们
Walden21
19 0 7

It's nearest living relatives are squid and octopus which, over evolutionary time, have both lost their shells 它是已经进化到已经没有壳的章鱼和乌贼的近亲 and the octopus has become one of the nautilus' major predators. 章鱼也已经成为了猎食鹦鹉螺的主要天敌 It's a mast...

It's small tentacles carry highly developed chemical sensors which can detect traces of both predators and prey. 它的小触手有非常灵敏的化学感觉器, 可以探测到敌人和猎物的踪迹
Walden21
19 0 8

and the octopus has become one of the nautilus' major predators. 章鱼也已经成为了猎食鹦鹉螺的主要天敌 It's a master of disguise. 它是伪装大师 The nautilus keeps well clear of them. 鹦鹉螺必须远离它们 It's small tentacles carry highly developed chemical sensors ...

It's powered by a jet of water, squirting from a siphon 它的动力来自虹吸管喷射的水流
Walden21
19 0 1

But as night falls, it ascends up to the reefs, to look for food. 到了晚上,它就游上来 到珊瑚礁附近寻找食物 It's graceful shell contains gas filled floatation chambers, 它那优美的外壳由充满空气的小室组成 that control it's depth. 使它可以控制深度 It's powered by a jet of wa...

but it travels shell first, so it can't see exactly where it's going. 由于它是倒着游 所以它自己也很难看清楚自己要去哪里
Walden21
19 0 1

It's graceful shell contains gas filled floatation chambers, 它那优美的外壳由充满空气的小室组成 that control it's depth. 使它可以控制深度 It's powered by a jet of water, squirting from a siphon 它的动力来自虹吸管喷射的水流 but it travels shell first, so it can't ...

It's nearest living relatives are squid and octopus which, over evolutionary time, have both lost their shells 它是已经进化到已经没有壳的章鱼和乌贼的近亲
Walden21
19 0 6

that control it's depth. 使它可以控制深度 It's powered by a jet of water, squirting from a siphon 它的动力来自虹吸管喷射的水流 but it travels shell first, so it can't see exactly where it's going. 由于它是倒着游 所以它自己也很难看清楚自己要去哪里 It's nearest living...

and the octopus has become one of the nautilus' major predators. 章鱼也已经成为了猎食鹦鹉螺的主要天敌
Walden21
19 0 2

It's powered by a jet of water, squirting from a siphon 它的动力来自虹吸管喷射的水流 but it travels shell first, so it can't see exactly where it's going. 由于它是倒着游 所以它自己也很难看清楚自己要去哪里 It's nearest living relatives are squid and octopus which...

But as night falls, it ascends up to the reefs, to look for food. 到了晚上,它就游上来 到珊瑚礁附近寻找食物
Walden21
19 0 2

Yet it is all blossoming on an extinct volcano, a mile below the reach of the Sun. 这些生物在这座死火山的的繁荣地点, 离阳光照射到的地方还有1英里呢 A nautilus. 鹦鹉螺 It spends it's days hiding four hundred meters down 白天它躲在400米深的海底 But as night falls, it ascends up to ...

It's graceful shell contains gas filled floatation chambers, 它那优美的外壳由充满空气的小室组成
Walden21
19 0 4

A nautilus. 鹦鹉螺 It spends it's days hiding four hundred meters down 白天它躲在400米深的海底 But as night falls, it ascends up to the reefs, to look for food. 到了晚上,它就游上来 到珊瑚礁附近寻找食物 It's graceful shell contains gas filled floatation chambers, 它...

that control it's depth. 使它可以控制深度
Walden21
19 0 2

It spends it's days hiding four hundred meters down 白天它躲在400米深的海底 But as night falls, it ascends up to the reefs, to look for food. 到了晚上,它就游上来 到珊瑚礁附近寻找食物 It's graceful shell contains gas filled floatation chambers, 它那优美的外壳由充满空气的小室组成...

sustained by the nutrients and detritus in the icy currents that flow around the peak. 得益于洋流持续不断地携带养分从这里流过
Walden21
19 0 2

Whip corals stretch out into the current. 海鞭在海流中伸出手来 Giant sponges filter nourishment from the cold water. 大海绵从冰冷的海水中汲取营养 A richly varied community flourishes here 一个丰富的物种群落在这里昌盛 sustained by the nutrients and detritus in the icy currents t...