| 41. | Silkworms feed upon the leaves of mulberry trees. |
| 蚕以桑叶为食物。
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| 42. | And then, when they were dead, the carnivores, like the sabre-toothed cats and the giant wolves, came out to feed and suffered exactly the same fate. |
| 大象死后，一些食肉动物，如剑齿虎和大灰狼就来吃大象，结果遭到了同样的命运。
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| 43. | It has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles -- or locate flying insects on which they feed . |
| 人们发现，某些蝙蝠能发出尖叫声，并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。
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| 44. | There are even stories of half-trained elephant calves who have refused to feed and pined to death when by some unavoidable circumstance they have been deprived of their own trainer. |
| 甚至有这样的故事：训练了一半的小象，由于不可避免的情况与他们的主人分离后，竟拒绝吃食，消瘦至死。
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| 45. | Will you feed my cat for me? |
| 请帮我喂我的猫好吗？
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| 46. | I pity anyone who has to feed a family on such a low income. |
| 我同情任何需要以如此微薄的收入养活全家的人。
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| 47. | She must be a good manager to feed her children on so little money. |
| 她靠这一点钱养活几个孩子,一定是一个持家有方的主妇。
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| 48. | There are so many mouths to feed . |
| 有许多张嘴要吃饭。
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| 49. | Farmers produce millions of tons of grain to feed the nation. |
| 农民生产亿万吨粮食养活全国人民。
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| 50. | feed raw data into a computer |
| 把原始数据输入计算机
|