Electron emitter
[电] 电子发射极
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
Do you have any coupons?
你们有优惠卡吗？
Never offer to teach fish to swim.
切莫教鱼游泳。
By bicycle? From Beijing? That's a long trip.
骑自行车去？从北京出发？这可是长途旅行呀。