In Kravis's venomous tone he recognized the realization of his worst fears.
从克拉维斯恶毒的语调中他意识到他最害怕的事情发生了。
A couple of venomous lizards were included in this study.
这项研究包括了一些有毒的蜥蜴。
Other mammals, such as the platypus and some shrews, are venomous, meaning they produce a toxin internally .
其他哺乳动物如鸭嘴兽和一些鼩鼱是有毒的，这意味着它们会在体内产生一种毒素。
He had been bitten by a venomous snake.
他被一条毒蛇咬了。
Venomous snakes spit and hiss when they are cornered.
毒蛇在无法逃脱时会发出愤怒的呼呼咝咝的声音。
These venomous fish are generally found in the waters of the tropical Indo Pacific.
这种有毒鱼类常见于热带印度太平洋水域。
It's the female black widow spider that is venomous and displays a menacing red dot on her abdomen.
在雌性毒蜘蛛“黑寡妇”的腹部可以看到有威慑作用的红点。
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。
They are classified as venomous snakes because they resemble them, their advanced features more than the other non-venomous snakes.
它们被归类为毒蛇，因为它们与毒蛇相似，它们的高级特征比其他不是毒蛇的蛇更明显。
Colubrids, and you probably heard this too, although they are often classified as venomous snakes, they are actually generally non-venomous.
黄颌蛇，你可能也听过这种蛇，虽然它们经常被归类为毒蛇，但实际上它们通常是无毒的。
If there are no truly non-venomous snakes, were the so-called non-venomous snakes, like constrictors and pythons, were they venomous at some point in their evolution?
如果没有真正的无毒蛇，那些所谓的无毒蛇，比如蟒蛇和巨蟒，在它们进化过程中的某个阶段是有毒的吗？
What separates colubrids from other snakes we have been classifying as venomous, is not the lack of venom, but the lack of an effective way to deliver the venom into its prey.
将黄颌蛇与其他被我们归类为毒蛇的蛇区别开来的，并不是它们没有毒液，而是缺乏一种将毒液输送到猎物体内的有效方法。
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。
Probably back in some previous biology course you learned that snakes evolved from lizards, and that the first snakes weren't venomous and then along came more advanced snakes, the venomous snakes.
也许在以前的生物课上，你学过蛇是由蜥蜴进化而来的，而且最初的蛇是没有毒的，后来出现了更高级的蛇，也就是毒蛇。
雄性鸭嘴兽还有毒。
释放毒液的水母。
VENOMOUS mammals are comparatively rare.
有毒有哺乳动物是比较稀少的。
And he wields the tooth of a venomous snake.
接着他又挥挥手中的毒蛇牙。
A venomous lionfish breaks into a huge ball of swirling baitfish.
一只有毒的狮子鱼闯进了一大群游在一起的小鱼中间。
Unlike stingrays, manta rays do not have venomous tail barbs.
和刺鳐不一样，蝠鲼没有剧毒的尾刺。
Because humans live on land, they don't think of fish as venomous.
因为人类生活在陆地上，所以不觉得鱼会有什么毒。
How do we protect ourselves from the venomous sting of such idle gossip?
如何才能保护自己免受这些流言蜚语的中伤？
They are currently recognized as one of the world’s most venomous animals.
它们通常被认为是世界上最毒的动物。
Besides being one of the cutest mammals, it is very poisonous and venomous.
尽管是最可爱的哺乳动物之一，它是非常有毒的和会分泌毒液的。
Two snakes are talking. One of them turns to the other and asks, "Are we venomous?"
两条蛇在唠嗑，一条转过头问: "我们是有毒的吧？"
So poisonous animals are passive killers, while venomous animals are active killers.
所以，这些动物可以是被动的，也可以是主动的。
The authors “produce some pretty convincing evidence that these are venomous lizards.”
作者“提出了相当有说服力的证据证明这些是毒蜥蜴”。
The king cobra can subdue its dinner without suffering from any venomous counterattack.
因此眼镜王蛇可以从容征服他们的“晚餐”而不必遭受毒液的反击。
General population in knowing and being able to identify which venomous snakes live in their area.
大众了解并能够识别其所在地区的毒蛇类型。
These highly venomous snakes can reach six feet (two meters) long and weigh 40 pounds (20 kilograms).
这些剧毒的毒蛇长可达6英尺(2米)，重可达40磅(20kg)。
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