Reflectometry
n. 反射计
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
I was reminded of my promise.
有人提醒我不要忘了我的承诺。
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。