普通: common; general; ordinary; plain; honest; private; trile; average 短语和例子普通一兵 an ordinary soldier; a soldier in the ranks; a rank-and-filer; 普通人 the average person; the man in the street; 这是
实验: experiment; test; trial run 短语和例子动物实验 animal experiment; 进行科学实验 conduct scientific experiments; 声学实验 test in sound; 用青蛙做实验 experiment (upon) on frogs; 富兰克林的实验表明闪电是一种放电。 franklin's experime
