The current interest in sign language has roots in the pioneering work of one rebel teacher at Gallaudet University in Washington D.C.

目前人们对手语的兴趣源于一位具有反叛精神的教师的开创性工作。他任教于世界上华盛顿加劳德特大学。

youdao

You interpret this as a sign—a polite one—that he is interested in you as a person rather than just in the topic of conversation.

你把这理解为一个信号，而且是一个礼貌的信号，说明他对你这个人感兴趣，而不只是对谈话的话题感兴趣。

youdao

Then one morning, as I was hanging out "Going out of Business" sign at the greenhouse, the door opened and in walked a customer.

一天早上，我正在温室里挂出“停业”的牌子，门开了，一位顾客走了进来。

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

If you give a sign, on top of the number, that takes care of all ambiguity in one dimension.

如果你在数字前加一个符号,就把一维运动的所有的歧义解决了

耶鲁公开课 - 基础物理课程节选

Now the surest sign of a hurdle is one of those pointed literary allusions that Milton makes in Lycidas, one of those remote allusions that Johnson had complained about.

如今关于这道坎的最确定无疑的迹象就是,他在里作出的那些文学臆想,即约翰逊曾经抱怨过的那些不切实际的幻想。

耶鲁公开课 - 弥尔顿课程节选

The rise of the paying driver is a tangible sign of the changing economics of Formula One.

WSJ: F1��s Mistakes Cost Megabucks

The bursts Swift is detecting are a sign of one of the most spectacular explosions in the universe.

BBC: NASA's Swift satellite observes massive supernova stars

Indeed, Mr. Obama's announcement Monday that he is freezing pay for federal workers for two years to deal with the deficit is one sign of how the White House intends to position him as a leader seeking sensible compromises to deal with economic distress.

WSJ: Talks on Tax Cuts Set Stage for 2012 Campaign