1.obstacle 障礙
Most competition cars will only roll over if they hit an obstacle.
大多數(shù)賽車只有在撞上障礙物時(shí)才會(huì)翻車 。
2.deem 認(rèn)為
French and German were deemed essential
法語和德語被認(rèn)為是必不可少的 。
3.pose 造成
This could pose a threat to jobs in the coal industry
這可能會(huì)給煤炭產(chǎn)業(yè)的就業(yè)造成威脅 。
4.drop out 退出
He'd dropped out of high school at the age of 16
他16歲的時(shí)候就從中學(xué)退學(xué)了 。