Once airborne, they use long pectoral fins and shorter pelvic fins on the sides of their bodies to create lift, much like the wings of an aircraft.

达到空中后，他们利用身侧的长胸鳍及短腹鳍产生升力，类似于机翼。

youdao

They use long pieces of grass to catch insects, they use stones as missiles and to crack open nuts, such as the African walnut, and they use leaves to collect and drink water.

它们用长条草来抓昆虫，它们用石头做子弹，打开坚果，比如非洲胡桃，它们用树叶收集水露来喝。

youdao

They will be helpful for us as long as we put them to good use.

只要我们好好利用它们，它们对我们是有帮助的。

youdao

stay there because who knows, there are 20 million other things I might have said, but instead let me give you the opportunity to ask questions that you would like to raise, particularly if you want to ask about how they fought, as long as we have a phalanx here we might as well use it if we need too.

你们先别走,因为,谁知道还有什么呢,我还有一肚子的东西想给你们讲,但最好还是留给你们,一些提问的机会,尤其是关于战斗的问题,讲台上正好有一列方阵可以用来讲解

耶鲁公开课 - 古希腊历史简介课程节选

And for the first time, plants using the worst chemicals--substances such as mercury, labeled persistent bioaccumulative toxins--would be able to use the short form, so long as they use less than 500 pounds of that chemical and release none into the environment.

FORBES: Toxic Neighbors?

They might not last long if they ever decide to use them.

ECONOMIST: Ringing the changes

And will Twitter let them do so again as long as they use Vines?

FORBES: Was Vine The Reason Twitter Banned Animated Avatars?