Tribometer
n. 摩擦计
🗣️ 情景例句
His collection of paintings is most impressive.
他的绘画收藏令人叹为观止。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
I haven't got much.
我的钱不多了。