Rectangulometer
直角测试仪
🗣️ 情景例句
I could work out in your class with no problem.
如果我去你的班上做运动， 一定不会觉得有问题。
He that has a tongue in his head may find his way anywhere.
遇事多问，随处可行。
Something must be done about it.
必须得想个办法。