英语单词“mental arithmetic”的翻译、意思、音标-英汉词典

单词	mental arithmetic
释义	calculation(s) done in the mind, without writing down figures or using a calculator, etc 心算.
随便看	township townsman tow-path toxaemia (also toxemia) toxic toxicity toxicologist toxicology toxin toy 1 toyshop trace 1 trace element tracer tracery trachea tracheotomy trachoma tracing tracing-paper track 1 track and field tracked track events tracking station