Hippos are unable to submerge in the few remaining water holes...在仅剩的几个水坑里，河马根本无法没入水中。But exactly where hippos sit on the artiodactyl family tree has proved devilishly difficult to discern.河马也属于偶蹄目,这点专家并无异议,但是它们到底位在偶蹄动物演...
The prisoners rioted against mistreatment by sadistic guards.囚犯因不堪忍受狱警施虐而发动了暴乱。There was a sadistic streak in him.他有虐待狂的倾向。A behavior is sadistic only if it produces or reinforces sexual excitement.一种施虐行为只有当产生或增强性兴奋的时候,才...
Instead of the government's piecemeal approach, what is needed is a radical shake-up of 16-19 education.需要的不是政府零敲碎打的措施，而是要对16至19岁年龄段的教育进行彻底变革。...piecemeal changes to the constitution.对宪法零星的修订a piecemeal approach to ...