The cobra is one of the world's deadliest snakes.

　　眼鏡蛇是世界上毒性最劇烈的蛇類之一。

　　There are hundreds of poisonous spiders and snakes.

　　有數(shù)百種毒蜘蛛和毒蛇。

　　Venomous snakes spit and hiss when they are cornered.

　　毒蛇在無(wú)法逃脫時(shí)會(huì)發(fā)出憤怒的呼呼咝咝的聲音。

　　He'd like to go on safari to photograph snakes and tigers.

　　他想去游獵以拍攝蛇和老虎。

　　It is often possible to see the vestigial remains of rear limbs on some snakes.

　　在某些蛇身上常可看到退化后肢的痕跡。