| 21. | some snakes manufacture a poison different in every respect from that of others, as different as arsenic is from strychnine, and having different effects. |
| 有些蛇产生的毒液也在各方面与另外一些毒蛇产生的毒液不同，就像砒霜不同于马钱子碱一样。
|
| 22. | One poison acts on the nerves, the other on the blood. |
| 不同毒蛇产生的毒液产生的效果不同，一种毒液作用于神经，另一种毒液作用于血液。
|
| 23. | The makers of the nerve poison include the mambas and the cobras and their venom is called neurotoxic. |
| 产生神经毒液的蛇有一种非洲树眼镜蛇和眼镜蛇，它们的毒液称为神经毒素。
|
| 24. | Vipers ( adders) and rattlesnakes manufacture the blood poison , which is known as haemolytic. |
| 蝰蛇（蝮蛇）和响尾蛇产生血液毒素，称为溶血性毒液。
|
| 25. | Both poisons are unpleasant, but by far the more unpleasant is the blood poison . |
| 这两种毒液都很可怕，但溶血性毒液尤其厉害。
|
| 26. | It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a newer product from an improved formula. |
| 据说，神经毒液在两种毒液中是较为原始的一种，而溶血性毒液，打个比方说，是根据改良配方生产的一种较新的产品。
|
| 27. | Be that as it may, the nerve poison does its business with man far more quickly than the blood poison. |
| 不过，神经毒辣液比溶血性毒液在人身上起作用快得多。
|
| 28. | Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate. |
| 因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。
|
| 29. | Convinced that they were trying to poison her, she refused to eat anything. |
| 她认为他们想毒害她，便拒绝吃任何东西。
|
| 30. | Poison gas blew off and endangered the lives of hundreds of persons. |
| 他的一条腿被炸弹炸飞了。
|