25. man, a man
man人类;
a man一个男人 eg:Man will conquer nature.
26. chick, chicken
二者均可指小鸡;
chicken还可以当鸡肉 eg:The chicken is delicious.
27. telegram, telegraph
当电报解时，telegram指具体的;
telegraph指抽象的 eg:a telegram, by telegraph
28. trip, journey, travel, voyage
travel是最常用的;
trip指短期的旅途;
journey指稍长的旅途;
voyage指海上航行 eg:a three-day trip