identity
习惯用语mistaken identity1.■认错人false identity1.■认错人old identity1.■[澳、新]大家熟悉的老居民prove sb.'s identity1.■证明某人的身分recognize sb.'s identity1.■证明某人的身分sink one's identity1.■隐瞒历史特殊用法cyclic identity1.■循环恒等式Lagrange's identity1.■拉格朗日恒等式left identity1.■左单位元logarithmic identity1.■对数恒等式multiplicative identity1.■乘法单位Newton's identity1.■牛顿恒等式parallelogram identity1.■平行四边形恒等式trigonometric identity1.■三角恒等式two-sided identity1.■双边单位元universal identity1.■泛恒等式