极少数植物或动物能在沙漠中茁壮成长.Few plants or animals thrive in the desert.他不忍心伤害儿童或其他软弱无力的人或动物.That he could not hart a child or anything helpless.一般说来, 植物或动物有生殖能力.The plant or animal has , in general, the power of reproduction....