VOA常速英语:Emergency Aid Being Sent to Stranded Chadians

2. displace vt. 移走；迫使（某人）离开家园
例句：The war has displaced thousands of people.
战争使成千上万的人背井离乡。

3. convoy n. (有护航的)船队,车队;护航(队);护送队
例句：Truck convoys often stop over for lunch here.
车队经常在这里停下来吃午饭。

4. precarious adj. (情势)不稳的; 不确定的; 不保险的; 危险的
例句：He earned a precarious living as an artist.
作为一个艺术家，他过得是朝不保夕的生活。

5. gather vt. 收集;召集;使聚集
例句：He is gathering materials for a new book.
他正在收集资料准备写一本新书。

6. reunite v. (使某人或某物)再次联合, 重聚
例句：She is trying her best to reunite with her father.
她想方设法与父亲团聚。

7. inhabit vt.居住于, 栖居于
例句：Woodpeckers inhabit hollow trees.
啄木鸟栖息在中空的树中。

8. operation n. 操作, 运转, 经营
例句：The company will soon begin operation.
那家公司不久就要开始营业。

9. remote adj. 远离的, 遥远的; 偏僻的
例句：At night I like to look at the remote stars in the clear sky.
晚上我喜欢观看晴朗的夜空中遥远的星星。

10. roam v. 随便走, 漫步, 漫游
例句：They roamed about in the park.
他们在公园里漫步。