The drug-traffickers have offered to lay down their arms.毒贩们已同意放下武器。She walked across the floor and lay down on the bed.她走过地板躺在了床上。He lay down on the floor and cried and cried.他躺在地板上，哭个不停。...
Marine Microbiological Chemistry: Microalgal bioactive product chemistry and renewable energy from microalgae.海洋微生物化学: 微藻活性产物化学及微藻可再生能源利用.A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。Conventional...