| 41. | The fish are not sharks or killer whales, but favourite eating varieties like cod and skate which grow to unnatural sizes, sometimes as much as twelve feet in length. |
| 这些鱼并不是鲨鱼或逆戟鲸，而是深受人们喜爱的食用鱼品种，如鳕鱼和鳐鱼，只不过它们长得出奇地大，有时长达12英尺。
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| 42. | At the age of twelve years, the human body is at its most vigorous. |
| 人体在12岁时是生命力最旺盛的时期。
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| 43. | Between twelve and eighty years we gradually lose this power; |
| 在12岁至80岁之间，我们逐渐丧失这种能力。
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| 44. | an illness which at twelve would knock us over, at eighty can knock us out, and another 700 for the survivors to be reduced by half again. |
| 能使我们在12岁时病倒的疾病，到了80岁可能会使我们一厥不振而进入坟墓。假如我们能保持12岁时的旺盛生命力，那么我们当中的一半人过700年才会死去，剩下的一半人再过700年，才会又减少一半。
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| 45. | Why has the material and technical apparatus of all the countries of the Entents failed in twelve years to overthrow this artificially fostered Bolshevism? |
| 为什么十二年来所有协约国成员的物质和技术手段却撼不动一个人工培育的布尔什维克主义呢？
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| 46. | The clock struck at twelve o'clock sharp. |
| 钟在整十二点钟打点。
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| 47. | As many as twelve people were found living in a single room. |
| 在一个房间里发现住有多达12个人。
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| 48. | Pigs often have twelve or thirteen young at a birth. |
| 防微杜渐。
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| 49. | Twelve o'clock but [only] indicates the high-water mark of the evening's festivities. |
| 午夜12点只不过表示夜晚庆祝活动的最高潮而已。
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| 50. | Three goes into twelve , four times. |
| 以3除12得4。
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