Baring the teeth in a hostile way, as noted by Charles Darwin in the nineteenth century, may be a universal sign of anger.

正如查尔斯达尔文在19世纪指出的那样，怀有敌意地露出牙齿可能是人们表现愤怒情绪的通用表情。

youdao

In that way, it is both the symbol of our faith in technology, and the sign of our entrapment in the past.

那样的话，这就一方面成为我们对自己技术有信心的标志，同时也是落入过去圈套的一个标志。

youdao

Could not this very Socratic way be a sign of collapse, exhaustion, sickness, and the dissolution of the anarchic instinct?

这个非常苏格拉底式的方法不能是无法无天的天性的崩塌、耗尽、疾患和解体的一个信号？

youdao

One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

It might be worth pausing over the variety of ways in which we can think of signs in language, all of which have to do with the way in which a given sign might be chosen to go into a speech sentence.

这也许值得尝试,为了理解语言和符号的关系，这一切都和符号怎样,被选择为一段话语的构成部分有关系。

耶鲁公开课 - 文学理论导论课程节选

These are some of the implications of no longer being satisfied with the way in which a sign can be understood as a concept to which we attach belatedly a signification, a signifier.

有一些意指已不满足于,符号被理解为概念的方式了,我们就再赋予它们一个含义，一个能指。

耶鲁公开课 - 文学理论导论课程节选

This means no one can hijack your digital signature en route and use the record of the way you sign your name to impersonate you.

FORBES: Ten O'Clock Tech: The Smartpen

All three of the UK's largest parties committed themselves to changing the make-up of the Lords in their 2010 general election manifestos but there has been little sign of agreement on the way forward.

BBC: Peers attack Nick Clegg's Lords reform plans

He believes rail is the best way to travel in Europe and sees the emergence of NTV as a sign of rail renaissance.

CNN: 'Ferrari' train driving high-speed rail renaissance