1.suffer from 遭受
All children will tend to suffer from separation from their parents and siblings.
所有的孩子和他们的父母及兄弟姐妹分开后往往都会难过 。
2.stretch out 伸展
Tame birds, when approached, will stretch out their necks and ruffle their neck feathering
驯养的鸟儿在有人靠近时会伸长脖子,竖起颈羽 。
3.go door to door 挨家挨户
Gilbert was very resourceful and had made some fliers for us to go door to door.
吉尔伯特是非常机智和已取得了一些传单,我们去门到门 。
4.struggle to 奋力
Despite their earnest efforts, they still struggle to win support.
尽管已尽心竭力,他们仍然无法赢得支持 。
5.known as 被认为是
Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses
全国的计算机系统都感染了一系列诡异的流氓程序,即病毒 。