21.protect all the animals in danger保护所有濒危动物 protect the environment保护环境 22.there is still a long way to go仍然有很长的路要走 23.such as =for example例如；像 24.have no place (to live in)没有地方居住 25.walk a long way without drinking不用喝水走很远的路 26.It makes me mad!这令我发疯 27. make…dirty =pollute弄脏；污染 28.take away拿走 30.cause of the problem问题的起因 31.kill animals for meat/fur为获取肉杀死动物 32.stop the killing 停止杀戮 33.It is really awful! 这件事真的很糟糕！ 34.live in peace在和平/平静（的环境）中生活 35.become rare 变得稀有 36.think about考虑 37.on earth究竟 38.find out查明 39.provide sth for sb 为某人提供… provide more nature reserves for the panda为熊猫提供更多的自然保护区 40.keep the earth clean保持地球干净 41.if possible如果可能 42.See you then.到时侯见 43.design a poster设计海报 44.learn more about更多地了解 45.must not一定不要/千万别 46.cut down forests 47.in the wild野生环境中
