甲烷起火，致使8人丧生。The ignition of methane gas killed eight men.甲烷和丙烷是烷烃。Methane and propane are alkanes.甲烷常被认为是仅次于二氧化碳的重要温室气体。Methane is often regarded as the second most important greenhouse gas after carbon dioxide....
一辆南行的卡车爆胎并撞车了。A lorry travelling south had a blow-out and crashed.这种宽大的轮胎有很深的胎面花纹。The fat, broad tyres had a good depth of tread.一辆货车爆胎了，向他们猛撞了过去。A lorry blew a tyre and careered into them....
She swept him a curtsey.她走过时对他匆匆行一屈膝礼.Annie's smile disappeared and she dropped a curtsey.安妮收敛了笑容,行了个屈膝礼.She tried to curtsey as she spoke.她说着就想行屈膝礼....
Plagues were for merly regarded as a visitation of God.瘟疫从前被认为是上帝的惩罚.Europe suffered many plagues in the Middle Ages.欧洲在中世纪屡屡遭受瘟疫.Plagues aside, many critics see xenotransplantation as a colossal waste of resources.除了疫病外...