1.death toll n.死亡人数
例句:The death toll has risen to 200.
死亡人数已上升到两百人。
2.creep into 爬进；开始发生于
例句:Parkman occasionally allows a supercilious tone to creep into his writings.
帕克曼间或在文章里流露出高傲的态度。
3.ramp up 加强，加大
例句:That driver drove the car up the ramp.
那司机将车开上了斜坡。
4.take off 起飞；脱下
例句:There were also several accidents mainly caused by engine failures on take-off.
还有几次事故主要是起飞时引擎出现故障造成的
