老鼠的复数为mice。老鼠的英文单词为mouse，mouse可以做名词、及物动词、不及物动词，作名词时意为鼠标；老鼠；胆小羞怯的人\"，作及物动词时意为探出\"，作...
have been to和have gone to的用法区别：have gone to 和have been to后面接+地点，时间状语可加可不加，have been to后面接的是here、there、home、abroad...
