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| 1. | With mammals, for instance, the rate of extinction is now about one species every year: |
| 例如对哺乳动物来说，灭绝的速度约为每年一种。 |
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| -- 来源 -- 英语晨读30分（高一） - 58 Wildlife Protection |
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| 2. | Any of about 300 species of flatfishes (order Pleuronectiformes). |
| 鲽形目比目鱼的统称,约300种。 |
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| 3. | Any of about 40 species of oceanic fishes (family Exocoetidae). |
| 银汉鱼目飞鱼科约40种海洋鱼类的统称。 |
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| 4. | "Any of about 100 species of small, slender freshwater fishes (family Percidae), native to eastern North |
| 鲈形目鲈科镖鲈亚科约一百种小型细长淡水鱼的统称。均原产北美东部 |
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| 5. | "Any of about 3,000 species of reptiles constituting the suborder Sauria." |
| "蜥蜴亚目四足爬虫类的统称,约3,000种" |
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| 6. | from A.D. 1 to 1800, the rate was about one species every fifty years. |
| 而在公元1年到公元1800年，大约平均50年才会有一种动物绝种， |
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| -- 来源 -- 英语晨读30分（高一） - 58 Wildlife Protection |
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| 7. | There are about 750,000 species of named insects and 85% of these are holometabolous. |
| 已定名的昆虫约有750，000种，其中85％的昆虫都是完全变态的。 |
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| 8. | Any member of about 900 species (order Chiroptera) of the only mammals to have evolved true flight. |
| 九百多种,属翼手目。是唯一一类演化出真正飞翔能力的哺乳动物的统称。 |
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| 9. | "Any of about 20 species of deciduous trees in the genus Juglans, family Juglandaceae." |
| 亦称核桃。胡桃科胡桃属植物,约二十种落叶乔木。 |
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| 10. | "Any of about 22 species of marsupials (family Peramelidae) found in Australia, Tasmania, New Guinea, |
| 袋狸科大约二十二种动物的统称,产于澳大利亚、塔斯马尼亚、新几内亚及其附近岛屿。 |
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