Chimpanzees had never before been seen or recorded as eating meat.
在这之前,人们从没有见过或记载过黑猩猩食肉。
The bird probably also spent a lot of time running or flying away from the numerous meat-eating dinosaurs from the area.
这种鸟可能也要花费大量时间奔跑或飞翔以躲避此地区大量的肉食性恐龙。
We talked about this a little bit in section last week, when you eat vegetables or meat, you're eating a lot of DNA but that doesn't enter the cells of your body because of the barrier properties of cell membranes.
这个我们上周讨论会讲过一些,我们在吃蔬菜或者肉类时,摄入了大量DNA,它们之所以不会进入你的体细胞,就是由于细胞膜的这种屏障作用
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