伊人不卡,国产乱码一二三区精品,亚洲午夜综合,亚洲网站在线,亚洲国产二区三区,开心伊人网,tiantianri

Programme Introduction 節(jié)目簡(jiǎn)介

When we talk about swans, the words which come into our mind are elegance and grace. They are a delight to see in rivers around the UK and people love their beauty.

However, some environmentalists are worried these beautiful birds are now becoming a hazard to other river inhabitants.

So what's the real story about swans and are there any solutions to this problem?

Find out more with Chen Li and Helen.

天鵝讓人聯(lián)想起高貴和優(yōu)雅，它們的出現(xiàn)對(duì)河流多加了一些色彩和美感。人們對(duì)它們非常喜愛(ài)。

可是現(xiàn)在有些環(huán)保人士擔(dān)心天鵝的飲食習(xí)慣破壞了河流的生態(tài)平衡。

這到底是怎么一回事兒呢？有沒(méi)有什么解決方式？

本期節(jié)目陳藜和 Helen 為您講解。