他的辅导教师发现了他在阅读和写作方面进步的迹象。His remedial teacher sees signs of progress in his reading and writing.无迹象表明向客户售出了不适用的保险。There is no suggestion that clients have been sold inappropriate policies.昨天在华盛顿举行的中东和谈有了取得进展的迹象。Middle Eas...
土壤的采样使用芯形采样器.Soil is sampled with a core sampler.为了保持样品沉积物的层次结构, 就要用空心铁管采样器.To take samples that retain the larger structure of the sediment, a core sampler is used.我国降水自动采样器的现状 、 存在的问题和今后的发展趋势.The status, constraints an...
The lighthouse beam was quite distinct in the gathering dusk.灯塔的光束在渐浓的暮色中清晰可见。Dr Ryan travelled the world gathering material for his book.瑞安博士周游世界为他的书搜集资料。Many of the machines are gathering dust in basements.许多机器尘封在地下室里。...