topic
n.题目，话题，主题
The environment is a popular topic these days.
如今环境是一个热门话题。
choke
v.(使)窒息，呛;塞满，塞住
Six people choked to death on the fumes.六个人被烟呛死了。
chop
v.砍，劈，斩 n.排骨
He went outside to chop some more wood for the fire.
他出去再砍些木材来生火。
circumstance
n.环境，形势;[ pl.]境况，经济状况
The Soviet Union had been forced by circumstances to sign a pact with Nazi Germany.苏联为形势所迫同纳粹德国签订了一项条约。
cite
vt.引用，引证;传唤，传讯;表彰，嘉奖
The judge cited a 1956 Supreme Court ruling in her decision.法官在她的判决中引用了 1956 年联邦最高法院的裁决。
