disappear
vi. 不见, 消失；不复存在
1.The sun disappeared behind a cloud.
太阳消失在一片云后面。
2.The snow will soon disappear when the warm weather comes.
天气变暖时, 雪很快就会融化。
3.Many beautiful fish are fast disappearing because of the severe
pollution.
因为污染严重，许多美丽的鱼类正在面临绝种。
disaster
n. 灾难, 灾祸；彻底的失败
1.They had led the country into economic disaster.
他们把国家带入了经济灾难中。
2.The disaster caused him to waver in his faith.
这件灾难使他对信仰发生了动摇。
3.Our plan ended in disaster.
我们的计划以彻底失败告终。
disorder
n. 混乱, 凌乱；骚乱, 动乱；(身心、机能)失调
vt. 把…弄乱
联想：order———disorder
orderly——disorderly
1.When returning, he discovered the room in disorder.
回家后, 他发现屋子里乱七八糟。
2.The announcement led to violent civil disorders.
这项宣布引起剧烈的骚乱。
3.He's suffering from severe mental disorder.
他患有严重的精神病。
4.Too rich a diet will disorder his digestive.
太油腻的饮食会使他的消化系统变得紊乱。
5.His face was flushed, and his hair disordered.
他满脸通红,头发蓬乱。
disperse
vt. & vi. (使)散开, 驱散
同根：sparse 稀疏，稀少
intersperse v. 点缀
1.After school the children dispersed to their homes.
放学后, 孩子们四散回家了。
2.The police fired in an attempt to disperse the crowd.
警察开枪想驱散群众。
