| 1. | Poison to a snake is merely a luxury .
对蛇来说，毒液只不过是一种奢侈品。 |
| 2. | It is said that the nerve poison is the more primitive .
据说，神经毒液是这两种毒液中较原始的一种。 |
| 3. | His eyes shone like fire, his body was swollen with venom .
它的双眼象火焰似的闪耀，浑身上下毒液欲滴。 |
| 4. | The makers of the nerve poison include the mambas and cobras .
产生神经毒液的蛇是非洲树眼镜蛇和眼镜蛇。 |
| 5. | It is said that the nerve poison is the more primitive one of the two .
据说，神经毒液是这两种毒液中较原始的一种。 |
| 6. | The nerve poison does its business with man more quickly than the blood poison .
神经毒液在人体内的作用比血毒液快得多。 |
| 7. | In the conversion of saliva into poison one might suppose that a fixed process took place .
人们或许会认为：唾液转变成毒液，其中有固定的程序。 |
| 8. | One wonders why nature, with some snakes, concocted poison of such extreme potency .
人们不知道大自然为什么在某些蛇身上调制出这样高效的毒液来。 |
| 9. | One wonders also why nature , with some snakes concocted poison of such extreme potency .
人们也不知道大自然为何在一些蛇身上调制出这样高效的毒液来。 |
| 10. | The makers of the nerve poison include the mambas and the cobras and their venom is called neurotoxic .
产生神经毒液的蛇名叫马姆伯斯的非洲大毒蛇和眼镜蛇，它们的毒液称为神经毒素。 |
