英国有170万失明和视力受损人口。There are 1.7 million blind and visually impaired people in Britain.他将失明的双眼转向他们，低声打了个招呼。He turned his sightless eyes their way and boomed out a greeting.在受污染严重的地区，有一半人口失明。In heavily infected areas, half ...
不要把未冲洗的胶卷暴露在光照下.Don't expose undeveloped film to light.他开始在16岁时, 在冲洗的工厂工作放学以后.He started at age 16, washing out the plant after school.一种模仿水彩冲洗的蚀刻方法.A thin layer of water color ink spread on a drawing....
焊缝区在经过长时运行后板条状组织减少, 等轴状组织增多.In welding zone the lath shape microstructure reduces, and equiaxed microstructure increases.我们的电话号码 、 传真号码和地址全部丝印在产品的后板上.Our phone number, fax number and address are listed on the rear cover....