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1·Anti-venin is what they give people after they have been bitten by a poisonous snake.

抗蛇毒血清是用来给被毒蛇咬伤的人注射的。

2·In the darkness, she did not see it. It was a poisonous snake whose tail was caught in the trap.

在黑暗中，她没有看见它，其实它是一条毒蛇，它的尾巴掉进了陷阱里。

3·A 66-year-old Florida mailman doing his rounds was bitten by a poisonous snake when he put mail inside a mailbox.

一位66岁的佛罗里达邮递员正在送信，当他往一个邮箱塞信的时候，一条有毒的蛇了他一口。

4·The poisonous snake shot its tongue out.

毒蛇突然伸出了舌头。

5·He was badly bitten by a poisonous snake.

他被毒蛇咬得很厉害。

6·Is that the most poisonous snake in South Africa?

哇，那条是南非最毒的蛇吗？

7·He at once realized he had been bitten by a poisonous snake.

他立刻意识到他被一条毒蛇咬了。

8·It was believed that he had been bitten by a poisonous snake.

大家都认为他是被一条毒蛇咬了。

9·Do you know how to distinguish a poisonous snake from a harmless one?

你知道如何分辨毒蛇和无毒蛇吗？

10·Please tell me how to distinguish a poisonous snake from a harmless one.

请告诉我如何分辨毒蛇和无毒蛇。