纪录片《我们的地球》 第223期 无垠深海(15)

It's a master of disguise.

章鱼是伪装的大师。

The nautilus keeps well clear of them.

鹦鹉螺必须远离它们。

It's small tentacles¹ carry highly developed chemical sensors²

它的小触手有非常灵敏的化学感觉器，

which can detect traces of both predators³ and prey⁴.

可以探测到敌人和猎物的踪迹。

It uses it's water jet to dig in the sand.

鹦鹉螺利用喷水器挖沙子。

Because it devotes so little energy to swimming, it only needs a meal once a month.

因为它游泳耗费的能量极少，所以只需每个月吃1顿饭。

Got something. And just as well.

得到什么东西了。如愿以偿。

Dawn is approaching and it has to puff⁵ it's way back, to deeper waters.

黎明快到了所以它必须回到深海里去。

Thirty miles away, shoals of squid are jetting upwards⁶ towards the surface.

30英里外的海上，大量的鱿鱼游到海面上。

By night, they seek small fish among the plankton⁷, but they're cautious.

晚上，鱿鱼寻找浮游生物和小鱼，不过它们必须谨慎。

1 tentacles   

n.触手( tentacle的名词复数 )；触角；触须；触毛

参考例句：

• Tentacles of fear closed around her body. 恐惧的阴影笼罩着她。
• Many molluscs have tentacles. 很多软体动物有触角。 来自《简明英汉词典》

2 sensors   

n.传感器，灵敏元件( sensor的名词复数 )

参考例句：

• There were more than 2000 sensors here. 这里装有两千多个灵敏元件。 来自《简明英汉词典》
• Significant changes have been noted where sensors were exposed to trichloride. 当传感器暴露在三氯化物中时，有很大变化。 来自辞典例句

3 predators   

n.食肉动物( predator的名词复数 )；奴役他人者（尤指在财务或性关系方面）

参考例句：

• birds and their earthbound predators 鸟和地面上捕食它们的动物
• The eyes of predators are highly sensitive to the slightest movement. 捕食性动物的眼睛能感觉到最细小的动静。 来自《简明英汉词典》

4 prey   

n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨

参考例句：

• Stronger animals prey on weaker ones.弱肉强食。
• The lion was hunting for its prey.狮子在寻找猎物。

5 puff   

n.一口(气)；一阵(风)；v.喷气，喘气

参考例句：

• He took a puff at his cigarette.他吸了一口香烟。
• They tried their best to puff the book they published.他们尽力吹捧他们出版的书。

6 upwards   

adv.向上，在更高处...以上

参考例句：

• The trend of prices is still upwards.物价的趋向是仍在上涨。
• The smoke rose straight upwards.烟一直向上升。

7 plankton   

n.浮游生物

参考例句：

• Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层。
• The plankton in the sea feeds many kinds of animals. 海的浮游生物成为很多种动物的食物。