她指出蛇是早期灵长类动物的第一天敌，并导致了人类对蛇的相对敏感的视觉系统进化 --这样可以快速的发现蛇类 --这使得我们今天仍可以受益 。
She figures snakes were the first predators of early primates and contributed to the evolution of relatively good vision — useful for spotting snakes — that we enjoy today.
今天是2009年开学第一天。我们的老师是伍德小姐。我非常喜欢她待人的态度。
Today is the first day, of school, in 2009. My new teacher, is Ms. Wood. I like her, attitude very much.
今天是2009年开学第一天。我们的老师是伍德小姐。我非常喜欢她待人的态度。
Today is the first day, of school, in 2009. My new teacher, is Ms. Wood. I like her, attitude very much.
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