There are three types of focusing - guesstimate, rangefinder and autofocus.有三种对焦方式 - 猜估, 用测距仪及自动对焦.Your camcorder should have these basic features: autofocus, playback facility, zoom lens...你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变...
In 1928 some porpoises were photographed working like beavers to push ashore a waterlogged mattress.1928年有人把这些海豚象海狸那样把一床浸泡了水的褥垫推上岸时的情景拍摄了下来.Thus do the beavers, thus do the bees, thus do men.海狸是这样做的,蜜蜂是这样做的,人也是这样做的.They ...