Reducing prison sentences would send the wrong signals to criminals.

减刑会向犯罪分子发出错误的信号。

《牛津词典》

Many species have evolved clear signals to delineate playfulness.

很多动物进化出了明确表述玩耍的信号。

youdao

The lung buds are not found in clusters, and they do not send any signals to our brains.

肺部的味蕾不是成群的，而且它们不向大脑发送任何信号。

youdao

If a heart beats too slowly, the device will use electrical signals to help set a normal rate.

VOA: special.2010.06.29

You have to use sound signals to figure out the boundaries between the words.

你必须要用声音信号,来确定单词之间的界线

耶鲁公开课 - 心理学导论课程节选

So if the landscape invites him to grow as an imaginative person, the social world he lives in, this episode signals to us immediately, will never live up to that imagination.

假如生活氛围使他,成为一个充满想像力的人，那么他所处的社会就是这一时期，这会让我们马上感到，那种想象永不可能成真。

耶鲁公开课 - 1945年后的美国小说课程节选

The participants who are neutral on prices are waiting for better signals to enter the market.

FORBES: Gold Prices Expected To Fall Next Week -- Survey Participants

Such events, little noticed by the broad voting public, can send important signals to political activists.

NEWYORKER: Mayberry Man

Its analysis can also help regulators come up with better pricing signals to promote sustainability.

FORBES: Apples to Apples: Comparing Sustainability Projects' Cost And Environment Benefits