听力原文

Chanting and dancing, the Huangs encourage their birds to take the plunge. Underwater, the cormorant's hunting instinct kicks in, turning them into fish-seeking missiles.
伴随着即兴的舞蹈，黄老汉鼓励着他的鸟儿们跳入水中。在水下，鸬鹚的狩猎本能暴发，他们化身为水下的游鱼追踪导弹。
Working together, a good cormorant team can catch a couple of dozen decent-sized fish in a morning.
一只鸬鹚小分队搭档合作齐心协力，一早上便能收获颇丰。

重点讲解

重点讲解：
1. encourage sb. to do sth.
鼓动；劝说；怂恿某人做某事；
eg. The paper'sprice rise will encourage readers to desert in even greater numbers.
报纸价格的上涨将导致更多的读者不再订阅。
eg. The idea is to encourage people to get to know their neighbours.
其目的是促使人们结识邻居。
2. kick in
开始生效；起作用；
eg. As discounts kicked in, bookings for immediate travel rose by 15%.
由于开始实行打折，近期旅行的预订量上升了15%。
eg. But within a few months, those babies grow up and their natural instincts kick in.
但是几个月以后，那些幼仔都会长大，它们的天性就显现出来了。
3. turn into
（使）变成；（使）成为；
eg. It could well turn into some kind of a media circus.
这很可能会演变成媒体的一场闹剧。
eg. From the evaporation of water, people know that liquids can turn into gases under certain conditions.
根据水的蒸发现象，人们认识到液体在一定条件下可以变成气体。