81. real, true
real真的,真实的,指的是事实上存在而不是想象的,true真的,真正的,指的是事实和实际情况相符合 real gold, a true story
82. respectful, respectable
respectful尊敬,有礼貌,respectable可敬的,值得尊敬的 be respectful to the aged
83. outwards, outward
二者均可用作副词,表示向外,外面,outward还可用作形容词 an outward voyage
84. pleasant, pleased, pleasing
pleasant常用作定语,pleased, pleasing常用作表语,pleased主语常为人,pleasing主语常为物 a pleasant trip The trip is pleasing.
85. understanding, understandable
understanding明白事理的,能体谅的,understandable 可理解的,能够懂的 an understanding girl, an understandable mistake