評論
打印
Activity 2a Listen and match the words with definitions.
活動2a 聽下列文章，將詞義與單詞互配
Can you tell us about the manatees, please?
你能給我們講一講海牛嗎？
Sure. We're trying to save them.
當然，我們正在營救它們。
Why? Are they endangered?
為什么？它們是瀕危動物嗎？
Yes. There used to be a lot of manatees, but now there aren't very many of them.
是的。以前有許多海牛，但是如今已經所剩無幾。
Do you know how many there are?
你知道現在有多少只海牛嗎？
At this point, there are only about 2, 500 in the U.S.
目前，美國只有2500只海牛。
In 1927, it was discovered that they were endangered.
1927年，海牛成為了瀕危動物。
Since then, the government has passed laws to protect them.
自此以后，政府開始立法來保護它們。
Where do they live?
它們生活在哪里？
Their favorite habitat is the water under the trees in mangrove swamps.
它們最喜歡生活在紅樹林沼澤中。
And why are they endangered?
為什么它們瀕臨滅絕。
Some of the swamps have become polluted.
因為沼澤受到了污染。
Also, there sometimes isn't enough food for all of them.
有時，它們的食物不夠充足。
As you can see, they're large.
它們的體型龐大。
The average manatee is about ten feet long and weighs about 1, 000 pounds.
海牛平均為10尺長，重達1000磅。
They need about 100 pounds of aquatic feed a day.
它們每天需要大約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.
它們食用這些來生存。
譯文屬可可英語原創，未經允許，不得轉載。
