首页
登录
职称英语
An insect is not afraid of gravity, but it is in deadly fear of another force
An insect is not afraid of gravity, but it is in deadly fear of another force
游客
2024-07-10
70
管理
问题
An insect is not afraid of gravity, but it is in deadly fear of another force of nature. This force is called surface tension. A man coming out of a bath carries with him a film of water about one fiftieth of an inch in thickness. This weighs about a pound. A wet mouse has to carry its own weight in water. A wet fly has to lift many times its own weight, and as everyone knows, a fly once wetted by water or any other liquid is in a very serious position indeed. An insect going for a drink is in as great danger as a man leaning over the edge of a cliff in search of food. If it once falls into the grip of the surface tension of the water -- that is to say, gets wet -- it is likely to remain so until it drowns. A few insects contrive to be unwettable: The majority keep away from their drink by means of long proboscis.
选项
答案
surface tension
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3670515.html
相关试题推荐
[originaltext]W:CanIturninthereportnextMonday?M:I’mafraidnot.Satur
It’sonethingtoworkwellwithothers,butanothertoactuallyenjoy(work)___
Whatisaninsectafraidofaccordingtothepassage?[br]Whatcanbeinferred
Whatisaninsectafraidofaccordingtothepassage?[br]Whatisthebesttitl
Whatisaninsectafraidofaccordingtothepassage?[br]Ifaninsectgoesfor
Aninsectisnotafraidofgravity,butitisindeadlyfearofanotherforce
I’mafraidIwon’tbeabletogototheGreatWalltomorrow,becauseIhaven’tb
Heinsistedonpurchasinganotherhouse,whichhehadnousefor.A、他已经没有什么用处了,但还
Koalas(考拉熊)usearangeofsoundstocommunicatewithoneanother______relativ
Althoughitisthefirsttimehetakesupsuchabigtask,never______afraido
随机试题
ProfessorLee’sbookwillshowyou______canbeusedinothercontexts.A、thaty
Fordays,Beijinghasbeentrappedunderablanketofyellow-browndusttha
Inthe1960sand1970sattentionbegantobepaidtowomen’sliberation,and
[originaltext]M:Guesswhat?TheworstfoodI’veeverhadwasinFrance.W:Rea
试论《高等教育法》的基本原则。
AB
一振幅为A,周期为T,波长λ的平面简谐波沿x轴负向传播,在x=λ/2处,t=T/
男性,40岁。暴饮暴食后6小时发生中上腹痛,放射至后腰部,呕吐一次不缓解。查体:
2020年,我国粮食种植面积11677万公顷,比上年增加70万公顷。其中,稻谷种
1992年,美国友邦作为第一家外资保险公司入驻( ),中国保险市场的对外开放拉
最新回复
(
0
)