Electron optices
[电] 电子光学
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣，外加订货1000件以上的数量折扣。
He has a sense of humor.
他有幽默感。