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.
今天是没有她的第一天，好冷，每次呼吸都让我觉得羞愧。
Today is my first day without her. It's so cold. I'm ashamed of every breath without her.
今天是没有她的第一天，好冷，每次呼吸都让我觉得羞愧。
Today is my first day without her. It's so cold. I'm ashamed of every breath without her.
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