“透鏡”的拼音為：tòu jìng...

透鏡會把圖片放大，就像在看巨大的電視屏幕一樣。A lens would magnify the picture so it would be like looking at a large TV screen.這大概是因為膠合透鏡會因溫度變化而變形.Probably because the cemented lenses are distorted by temperature variations.我們用一塊負透鏡,它將使光線發散一些...