Smoothometer
不平度测定仪
🗣️ 情景例句
doing a commercial.
正在做广告。
Two dollars and seventy-five cents.
二美元七角五分。
But when table, penholder and paper are all moving, how is it possible to write legibly?
可是，当桌子、夹笔装置、纸都在移动时，怎么能书写得清楚呢？