1.vulnerable 脆弱的
Old people are particularly vulnerable members of our society.
老年人是社會中尤為明顯的弱勢群體 。
2.investigate 調查
The FBI has been called in to investigate.
聯邦調查局奉命進行調查 。
3.appoint任命
She has recently been appointed to the committee.
她最近獲委為委員會成員 。
4.surge 急劇上升
Share prices surged.
股價猛漲 。