A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.It enables scientists to transfer genes between different species that would not interbreed in nature.它使科学家之间的转...
这场波及全国的爱国热潮还对那场工会运动起到了推波助澜的作用。The trade union movement was swept along by the same tidal wave of patriotism which affected the country as a whole.购买力下降的损失波及整个经济.The loss of purchasing power spreads through the economy.她也...
If it hadn't been bucketing down with rain and blowing a gale, I would have had a glorious view.如果不是大雨和狂风，我本可以欣赏到极其美丽的风景。The girl was bucketing water from the well.那姑娘在用桶从井里打水.They were bucketing the water and throw...