在线英语听力室

SSS 2012-07-24

时间:2012-09-18 08:56:31

搜索关注在线英语听力室公众号:tingroom,领取免费英语资料大礼包。

(单词翻译)

 This is Scientific American 60-second science.I'm Innmi Craft.Got a minute?

Here's one way bites my get there next meal by ease dropping on flies having sex.That's eat a lot of seemingly undetectable flies.To find out how the winged memers find the insex.
 
Researcher set up a vedio camera inside coutia that was home to a batconi and lots of bugs1.The veido showed that bazi rely on their eco-location skills to detect flies at specific time when they are engaged in rather noisy sex.
 
Flies are usually quiet in that territory and sit on uncloder cellings in caves when background's noise mix the echoes from their movement.But when flies are felling frisky2.Meals can't help but flutter theri wings in meeting a bursed cracked sound at the bize pick a bond.
 
During more than 1,000 sexual in couners cart in the act in the vedio.5% of the insex were carted in the act by bats.The researches published in the journal occured biology.The study shows that ignorances can be safer than corner knowledge when predators3 are on the prow4.

分享到:

Error Warning!

出错了

Error page: /?aid=187742&mid=3
Error infos: Got error 28 from storage engine
Error sql: select `l`.`tag`,`l`.`index`,`l`.`level_id`,`b`.`id`,`b`.`word`,`b`.`spell`,`b`.`explain`,`b`.`sentence`,`b`.`src` from `new_wordtaglist` `l` left join `new_word_base` `b` on `l`.`tag`=`b`.`word` where `l`.`arc_id`='187742' and `l`.`level_id`>='' group by `b`.`word` order by `l`.`index` asc

本文本内容来源于互联网抓取和网友提交,仅供参考,部分栏目没有内容,如果您有更合适的内容,欢迎 点击提交 分享给大家。