Reflection coeffecient
[电] 反射系数
🧩 词语组成解析
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
To smoke a cigarette
吸烟
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。