原文视听

This animal has become the world's number-one target for poachers.
眼前的动物现已成为偷猎者的第一目标
Its kind has been hunted almost to the point of extinction.
偷猎行为已致其陷入濒临灭绝的境地
It's now so rare
如今犀牛十分稀有
that this individual is watched over day and night.
因而这一头被日夜监管着
This is the black rhinoceros.
这是一头黑犀牛
And black rhinoceros are notorious
黑犀牛最臭名昭著的特性
for being rather grumpy and suddenly charging.
就是脾气暴躁 喜欢突然进攻
But he is in great danger,
但是他却身处巨大的危险之中
because he has on his nose...
因为他鼻子上的...
..that horn...
犀牛角
..which is worth its weight in gold.
和等量的黄金价值一样
The demand for rhino horn has rocketed.
对犀牛角的需求迅猛上升
There has been a 3,000% increase in poaching
偷猎犀牛的行为在过去短短5年里
just in the last five years.
就增长了30倍
Today, powdered rhino horn can fetch up to $65,000 a kilo.
如今 犀角粉卖到了每公斤65000美元
Rhinos are a lucrative target for organised crime.
犀牛是犯罪团伙的最佳目标

重点解释

It's now so rare that this individual is watched over day and night.如今犀牛十分稀有，因而这一头被日夜监管着

watch over看守； 监视； 照管

Would you please watch over my booth?

请您照料一下我的摊位好吗?

The soldiers were keeping close watch over the enemies.

士兵们严密注意着敌人的行动。

But he is in great danger,但是他却身处巨大的危险之中

in danger在危险中

He was in danger of losing his life.

他有失去生命的危险。

The house is now in danger of collapse.

这座房子有倒塌的危险。

Today, powdered rhino horn can fetch up to $65,000 a kilo.如今，犀角粉卖到了每公斤65000美元

fetch up到达；突然停止；弥补

The car suddenly fetch up before a big tree.

小汽车突然在一棵大树前停了下来。

He must fetch up the time he has lost.

他必须弥补上已经失去的时间