听力原文

The thinner species of bamboo are easy to attack and pull below.
细小的竹子很容易被拖进坑道中。
She has a fantastic sense of smell and can sniff out the fresh growth through the soil.
她拥有极其出色的嗅觉，能够透过土壤嗅到新鲜的生长物。
Bamboo spreads along underground stems. By following these, new shoots are found.
竹子的根一直往地下延伸，非常有利于竹鼬顺根找到新鲜的竹枝。
Once a shoot is detected, she snips it free and drags it down into her burrow.
一旦竹枝被发现，竹鼬咬断之后把竹枝拖回到她的地洞里。
This female has a family. At just a few weeks old, the youngsters can already tackle the hardest bamboo stems and are eager to try.
这只雌性竹鼬拥有着一个家庭。小竹鼬出世才只有几个星期就已经能够应付最硬的竹枝了。
Bamboo's tough reputation is such, that another bamboo specialist was known by the Chinese as "The Iron Eating Animal".
它们是如此的渴望咬上几口。竹子坚硬的名声是如此的显赫，另一个食竹高手被认为是中国的“攻坚专家”。

重点讲解

重点讲解：
1. be easy to do sth.
容易的；不费力做某事；
eg. If he thinks it's easy to get a job, he's living in a dreamworld .
如果他认为找工作容易，那么他就是在白日做梦。
eg. It's not easy to rid oneself of a habit.
要改掉一个习惯是不容易的。
2. sniff out
嗅到；找到；发现；
eg. A police dog, trained to sniff out explosives, found evidence of a bomb in the apartment.
一只训练有素、专门嗅找炸药的警犬在公寓里发现了炸弹的痕迹。
eg. It's his job to sniff out abuses of power.
他的职责就是查究滥用权力的行为。
3. be eager to do sth.
热切的；渴望做某事；
eg. The police is eager to get to the bottom of this mystery.
警方急切地想弄清这一神秘事件的真相。
eg. He is eager to dispatch the matter in hand.
他急于了结手头的事情。