Electrostatic electron lens
[电] 静电电子透镜
🧩 词语组成解析
n. 透镜,镜头;眼睛中的水晶体;隐形眼镜;汽车的灯玻璃;
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
It was carrying some large bags of rice. Suddenly one of the bags fell off the truck.
它运载着大包大包的米。突然一袋米从卡车上掉了下来。
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