magnifying glass是什么意思 magnifying glass怎么读
magnifying glass的英文翻译是什么意思，词典释义与在线翻译
Noun:- light microscope consisting of a single convex lens that is used to produce an enlarged image;
"the magnifying glass was invented by Roger Bacon in 1250"
magnifying glass的用法和样例
- What does a magnifying glass do?
放大镜可以作什麽呢？ - This glass magnifies 20 diameters.
这个放大镜能放大二十倍。
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