载人宇宙飞行的前景看上去充满了越来越多的变数。The future for manned space flight is looking increasingly uncertain.作为摩托车初学者，切勿后座载人。As a learner rider you must not carry a pillion passenger.载人的潜水器与宇宙飞船一样, 必须在非自然的环境下保持生存条件.Manned submersibles, l...
We reject any suggestion that the law needs amending.对于任何暗示该法律需要修改的观点我们都拒绝接受。Today its executive committee voted unanimously to reject the proposals.今天执行委员会投票一致否决了这些提案。The patient'simmune system would reject the tra...
He had lost his sight as a result of age - related macular degeneration.他因年龄偏大导致的斑点加重而失明.Objective To evaluated the fixation nature of macular hole.目的评价黄斑裂孔的视力性质.Improves eye health and reduces the risk of age - related ...