可能是动物
could be───可能是；有可能
could be love───可能是爱
could───aux.能够，可以；可能；差点就，本来有可能；很想；v.能（can的过去式）
be an───n.豆；嘴峰；毫无价值的东西；n.(Bean)人名；(英)比恩；vt.击…的头部
could be better───可能会更好
an animal book───动物书
could well be in───很可能是在
be an adult───做一个成年人
be an angel───做一个天使
We bring to our mind somebody we know who needs our help, someone who's suffering that we know. (Or it could be an animal.)───我们观想某个正在受苦的人，我们认识的、需要得到帮助的人(或者动物也可)。
It could be anyone from an animal to a bad person.───它可以是任何模样，可以是动物，也可以是坏人。
My wife thinks that it could be an animal, but my friends and I think it must be teenagers having fun.───我的妻子认为它可能是一只动物，我和朋友们认为一定是孩子们在闹着玩。
We bring to our mind somebody we know who needs our help, someone who's suffering that we know. (Or it could be an animal. )───我们想及某个正在受苦的人，我们认识的、需要得到帮助的人（或者动物也可）。