Carbohm
电阻测碳仪
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
I invited him ti come down, but he wouldn't.
我请他下来，但是他不肯。
No wonder people say that computers are taking over the world.
难怪有人说电子计算机正渐渐接管世界。