他右眼视力有损伤。He has a visual impairment in the right eye.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.他的视力还算可以，还能看书。He can see tolerably well and he can read....
直至今天锗才毫无异议地成为地球上是纯净的物质.Until today germanium is the present substance on earth with no exception.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.添...
For example, as bait with money reward of high specified number, the design with good diddle.譬如, 以高额赏金作为诱饵, 骗取好的设计.Let's diddle the data line to read " October 1 , 1999 " instead of " 10／1／99. "让我们把数据图上的日期写法由 “ 10/1...