Is it their unconditional love, their tireless desire to play?

是它们无条件的爱，还是不知疲倦的玩耍劲头？

You also seem to tour the globe tirelessly giving talks.

你似乎还在世界各地不知疲倦地做演讲。

Researchers are tirelessly studying the biology of these pathogens.

研究人员正在不知疲倦地研究这些病原体生物学。

Search and rescue teams are working tirelessly to get people to safety.

搜救队正在不知疲倦地工作，以确保人们的安全。

Even before she boarded that bus, she was an activist; a tireless pursuer of justice.

甚至在她登上那辆公共汽车之前，她就是一名积；不知疲倦地追求正义。

Honour to those indefatigable spirits who consecrate their vigils to the amelioration or to the alleviation of their kind!

光荣归于不知疲倦、不昼夜、献事业、增进人类幸福、减轻人类痛苦的天才！

Undaunted, Agassiz traveled tirelessly to promote his theory.

阿加西斯并没有，不知疲倦地多方奔走，四处游说，宣传的理论。

Our entire board and our staff, all of them who work tirelessly, thank you so much.

还有我们全体董事会成员和员工，们全部都是不知疲倦工作的人，非常感谢你们。

He fought tirelessly for the Reform Act of 1867 which gave the vote to working-class men.

布莱特曾经为给予了劳工阶层投票权的1867年改革法案而不知疲倦的斗争。

Of those 1.7 million different viruses I mentioned, an estimated 40% could infect humans pretty easily.

科学家和官方人员不得不不知疲倦地工作，以防止禽流感蔓延到人类。在我提到的170万种不同的病毒中，估计有40%能轻易地感染人类。

Some help is already there. Search and rescue teams are working tirelessly to get people to safety.

目前一些援助已经就位。搜救团队正在不知疲倦地工作，努力将人们送往安全地带。

It's an adjective that means persisting tirelessly, like me when I was trying to pronounce that word.

这是一个形容词，意思是不知疲倦地坚持，就像我刚才努力读准这个词的发音一样。

The police have been working tirelessly to give accurate information to anxious family members and the public.

警方不知疲倦地工作着，给焦虑的家人和民众提供准确信息。

From her bed, the great medical reformer tirelessly advocated for equal treatment of the poor by nurses and doctors.

这位伟大的医学改革家在病床上不知疲倦地倡导护士和医生平等对待穷人。

Thank you for working so tirelessly to provide for us and for giving us the most amazing life together.

谢谢你不知疲倦地工作，让我们拥有最美好的生活。

Tricia Filley, the club's indefatigable secretary, who was just sitting down at home to cereal with her husband, Alan.

俱乐部中那位不知疲倦的秘书特里西亚·菲利，她正和丈夫艾伦坐在家里吃麦片粥。

But behind all this big business is the tireless work of many many little independent insect collectors, like Jose Heredia.

不过在这庞大产业背后是许多独立昆虫收集者们不知疲倦的工作就像侯赛·何莱迪。

Another adjective to describe someone who will not give up is indefatigable.

另一个形容不会放弃的形容词是不知疲倦。

Our subway trains are controlled by tireless robot-drivers.

我们的地铁列车由不知疲倦的机器人司机控制。

A more resolute, indefatigable pioneer never wrought amidst rocks and dangers.

在岩石和危险中，从未有过如此坚定不移、不知疲倦的开拓者。