(单词翻译:单击)
Activity 2a Listen and match the words with definitions.
活动2a 听下列文章,将词义与单词互配
Can you tell us about the manatees, please?
你能给我们讲一讲海牛吗?
Sure. We're trying to save them.
当然,我们正在营救它们 。
Why? Are they endangered?
为什么?它们是濒危动物吗?
Yes. There used to be a lot of manatees, but now there aren't very many of them.
是的 。以前有许多海牛,但是如今已经所剩无几 。
Do you know how many there are?
你知道现在有多少只海牛吗?
At this point, there are only about 2, 500 in the U.S.
目前,美国只有2500只海牛 。
In 1927, it was discovered that they were endangered.
1927年,海牛成为了濒危动物 。
Since then, the government has passed laws to protect them.
自此以后,政府开始立法来保护它们 。
Where do they live?
它们生活在哪里?
Their favorite habitat is the water under the trees in mangrove swamps.
它们最喜欢生活在红树林沼泽中 。
And why are they endangered?
为什么它们濒临灭绝 。
Some of the swamps have become polluted.
因为沼泽受到了污染 。
Also, there sometimes isn't enough food for all of them.
有时,它们的食物不够充足 。
As you can see, they're large.
它们的体型庞大 。
The average manatee is about ten feet long and weighs about 1, 000 pounds.
海牛平均为10尺长,重达1000磅 。
They need about 100 pounds of aquatic feed a day.
它们每天需要大约100磅的海洋生物 。
Aquatic feed?
海洋生物?
Oh, that's underwater plants and vegetation.
就是水中的草本植物 。
That's what they eat.
它们食用这些来生存 。
译文属可可英语原创,未经允许,不得转载 。