arithmetic
2026-05-04
n.算术; 算术运算; 四则运算 复数:arithmetics 牛津词典 noun 算术the type of mathematics that deals with the adding, multiplying, etc. of numbersHe's not very good at arithmetic.他不太擅长算术。 算术运算;四则运算sums involving the adding, multiplying, etc. of numbersa quick bit of...