Modified scales form an irregular edge to the body that blends in nearly seamlessly with the bark .
它们改变自己的身体形状,形成不规则的边缘,近乎天衣无缝地和树皮融合在一起。
A low pitched bark indicates aggression and is possibly a threat .
低声调的吠叫意味着狗狗挑衅,可能也是一种威胁。
Any sound or bark that might endear them is replaced by an eerie , silent swim .
任何可能令它们不那么讨厌的声音或吠叫都被一段恐怖而静默的潜泳取而代之。
A bear will leave claw marks on trees and even bite the bark sometimes , though this was no bear .
熊的话会在树上留下爪印,有时甚至会啃树皮,不过这只可不是什么熊。
The site looks scruffier than it did four years ago , when this correspondent last visited it . Litter drifts around empty pitches , wasps hover near overflowing bins and dogs bark outside each embattled caravan .
They will not even realize that words like purr , curl , bark , windowsill , beehives , stomp etc are new for them and that you are trying to teach them these words .
Unlike their webs , darwin 's bark spiders aren 't very big : not counting its legs , an adult is usually less than 0.8 inch ( 2 centimeters ) long , agnarsson said .
Made of the world 's strongest known biological material , the web is the product of a new species , the darwin 's bark spider , which makes the world 's largest webs of any single spider , new studies say .