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[计] 绝对误差, 运算器
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
You cannot see the wood for trees.
见树不见林。
What a great teacher!
多么高尚的老师！