square的医药专业中文词条翻译 ... key with square insert 释义：带钥方榫 checkerboard square 释义：棋盘方格 root mean square error 释义：均方根误差 ...
双语例句
1
For a seemingly trivial example, imagine a frog making repeated jumps of the same length in the same direction, starting from the corner of a square on an infinite checkerboard.
This is just like the famous Adelson checkerboard optical illusion. In the image below, square a is exactly the same shade as square b, but they look totally different.