每种动物都有自己的生态位.Each animal has its ecological niche.生态位: 生物体所占据生境的最小单位.Niche: Smallest unit of a habitat that is occupied by an organism.生态位战略之二是生态位分离和生态位扩充战略.Second niche strategy is niche separation and niche expansion s...
遗憾的是，过于简单的情节使得这部电影差强人意。Sadly, the film is let down by an excessively simple plot.心理转折使原本老套的故事情节变得生动有趣。Psychological twists perk up an otherwise predictable story line.有关这部不同寻常电影的情节的报道常常令人生厌。Reports of the plot of this un...
Jane's goals helped Britain win third place in the Barcelona games.简的进球帮助英国队在巴塞罗那奥运会上获得了第三名。Only the achievement of these goals will bring lasting peace.只有达成这些目标才会带来持久的和平。There are many who will work hard to achieve...