他在书桌前徒劳地坐了一上午之后便放弃了。After a fruitless morning sitting at his desk he had given up.假装系统完美无疵是徒劳的。It would be idle to pretend the system is perfect.罪犯们徒劳地躲闪着探照灯光。The criminals vainly sought concealment from the searchlight....
The fovea is the area of maximum visual resolution ( but NOT maximum sensitivity ).黄斑是具有最大视觉清晰度 ( 但不是最大灵敏度 ) 的区域.Conclusion central fovea of the RVO fellow eyes was functionally impaired.结论与正常眼相比,RVO患者对侧眼黄斑中心凹视功能受损.In mo...
这条河里淤积了工业废物.The river was thick with industrial waste.洪水过后, 地里淤积了一层泥浆.When the flood subsided , it left a layer of mud in the fields.河里的泥沙淤积在这里,年深日久便成了沙洲.The bar was formed by the mud and sand deposited here over a long ...