【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
ecological balance/equilibrium - eg: Animals need to be treated with a humane attitude as they are essential to the ecological balance.;
alternative method - eg: Computer stimulation is a great alternative method of animal testing.
barbaric - eg: It is, of course, unethical and barbaric to abuse animals.;
outlaw-eg: Hunting and sales of leather should be outlawed for protecting animal rights.;
brainwash-eg: brainwash sb into believing sty.
captivity-eg: The different reasons behind keeping animals in captivity may be education, research, recreation and conservation.;
poach-eg: Poaching of wild species for skins, ivory supposed medical purposes should be punished.
