英语语法分析

Vipers (adders) and rattlesnakes manufacture the blood poison.

蝰蛇(蝮蛇)和响尾蛇产生血液毒素。

I loved their sign: "Adders very active at this time of year, keep to the paths".

我喜欢他们的告示：“每年这个时候是蝰蛇异常活跃的时期，请勿偏离小路行走。”

Twice puff-adders came twisting into the alert ring of our debating coffee-circle.

鼓腹毒蛇曾经两次窜进我们的喝咖啡和进行讨论的警戒圈内。