英语语法分析

Ok, venomous snakes are the ones that secrete poisonous substances or venom, like the snakes of the viper family or cobras.

毒蛇是一种分泌有毒物质或毒液的动物，像蝰蛇科的蛇或眼镜蛇。

She told her listeners that, if someone released several cobras inside the auditorium, they'd all be constantly looking around for snakes as she spoke.

她告诉听众们说，如果有人在礼堂里面放上几条眼镜蛇，那么他们就会在她讲话时不停地四处寻找蛇。

In most venomous snakes, like vipers and cobras, the venom is used to catch and inmoblize the prey; but in colubrids, venom drips onto the prey only after the prey is in the snake's mouth.

在大多数毒蛇中，如蝰蛇和眼镜蛇，毒液用于捕捉猎物、使其无法行动；但在彩颌类中，只有在猎物到了蛇嘴里后，毒液才会滴到猎物身上。