Lagrange
[计] 拉格朗日
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
The better the day, the better the deed.
日子越美好，事业越顺当。
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？