The city is the carrier accompanies arisen as industrial development tertiary industry.城市是伴随着工业发展而兴起的第三产业的载体.The tertiary industry can only do odd jobs.只能做些第三产业的零工.Developing the tertiary industry?加快发展第三产业....
Lasers promise to change this by making isotope separation easier, and cheaper.激光可以改变这种局面,从而使同位素分离变得比较容易 、 比较廉价一些.This indium isotope was created at the same time as the earth.这种铟同位素与地球产生在同一时代.The isotope ratio is direct...
A person retains a domicile until it is abandoned.个人保留住所直到其更换。I thought it better to change my domicile for the present.我想目前最好是迁居.Domicile is distinct from nationality.住所与国籍不同....
Margaret resides with her invalid mother in a London suburb.玛格丽特同她病弱的母亲住在伦敦郊区。At best Nella would be an invalid; at worst she would die.内拉往好里说会落下残疾，往坏处说可能会生命不保。A passport that is out of date is invalid.护照过期是无效的....