重装机兵沙尘之锁psp版:gorilla和orangutang有什么区别？

gorilla: The largest of the anthropoid apes(Gorilla gorilla) native to the forests of equatorial Africa, having a stocky body and coarse, dark brown or black hair.
大猩猩：栖居在赤道非洲的最大的类人猿（大猩猩） ，体型粗壮，头发很粗，呈深棕色或黑色

orangutang: An arboreal anthropoid ape(Pongo pygmaeus) of Borneo and Sumatra, having a shaggy reddish-brown coat, very long arms, and no tail.
猩猩：一种大型的树栖类人猿（猩猩 猩猩属） 产于波罗门和苏门答腊，有稀疏的红棕毛皮、很长的臂且无尾

ape:Any of various large, tailless Old World primates of the family Pongidae, including the chimpanzee, gorilla, gibbon, and orangutan.
无尾猿，类人猿：一种猩猩科大而无尾的东半球灵长目动物，包括黑猩猩、大猩猩、长臂猿和猩猩

chimpanzee:A gregarious anthropoid ape(Pan troglodytes) of tropical Africa, having long dark hair and somewhat arboreal habits and exhibiting humanlike behavior and a high degree of intelligence. It is now considered vulnerable to extinction in the wild.
黑猩猩：产于非洲热带地区的一种长有长长的黑毛群居类人猿（黑猩猩） ，有一些栖于树上的生活习惯且表现出与人类相似的行为以及高等的智力，现在被认为在荒野里很可能灭绝

猩猩，大猩猩，黑猩猩..和猿.....
具体区别是生物上的..不是英语上的..