英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—3

 From tip to tip, its wings stand eight feet. This superb blighter can soar almost e* 24 hours a day. Waiting in this bustling¹, the troublous of hundreds of thousands of birds, her mate shores up the nest from last year's breeding. And after seven lonely month, and tens of  thousands of miles riding the southern sea winds, they share an ecstatic restating of vows². Their bond may last 30 years. Up and down the shores, nests are being tended to bonds renewed, and eggs laid. For the next two months, the couple has only one goal, to keep the egg alive. 

1 bustling   

adj.喧闹的

参考例句：

• The market was bustling with life. 市场上生机勃勃。
• This district is getting more and more prosperous and bustling. 这一带越来越繁华了。

2 vows   

誓言( vow的名词复数 )； 郑重宣布，许愿

参考例句：

• Matrimonial vows are to show the faithfulness of the new couple. 婚誓体现了新婚夫妇对婚姻的忠诚。
• The nun took strait vows. 那位修女立下严格的誓愿。