单词：parallax of cross hairs
单词：parallax of cross hairs 相关文章
I often style my hair after I get out of the shower. I first blow dry my hair (with a blow dryer, of course), put some styling gel in my hair, and then comb my hair to the style I want it. If I run out of hair gel, I use hairspray instead to make my
在家—At Home
This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. And Im Steve Ember. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. Hair has always been an important sign of beauty
英语语言学习
Now if you can't understand what a picture is unless you've seen one before. How on earth do you come up with the idea of creating one in the first place? So how did our ancient ancestors come to real
人、艺术、世界
[00:00.00]Unit 3 Plants and us Lesson 9 [00:05.09]New word and expression [00:09.04]taste [00:10.51]v.品尝；吃起来 [00:11.99]either [00:14.21]也（不） [00:16.43]not...either [00:18.70]不...也不 [00:20.98](be)good for [00:22.80]对...有好
广州初中4A
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
Scientific American(四)月
Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu
Scientific American(九)月
She told him to stop picking at his ear. He said he wasn't picking at his ear. He was pulling hairs out of his ear. You look ridiculous, she said. You look like you have a mental problem. He said he did have a mental problem. The hairs in his ears we
英文短篇故事（纽约）
[00:00.00]But philosophers are always trying to climb up [00:03.84]the fine hairs of the fur, [00:05.73]in order to look into the magician's eyes. [00:09.69]Are you still there Sophie?To be continued. [00:14.62]A few days later Sophie receives anothe
北师大版高中英语模块5
It is a modified version of a commercially available robot quadcopter, 42mm across. (By comparison, a honeybee worker is about 15mm long.) 它就是市面上可以见到的那种四轴飞行器，只不过经过了改装，全长仅为42mm（相比之下
经济学人科技系列
AS IT IS 2016-01-26 IS Video Honors Paris Terrorists 极端组织IS发新视频赞扬巴黎恐怖分子 The Islamic State group has released a video of nine militants it says took part in the terror attacks in Paris last November. The attackers, most
2016年VOA慢速英语(一)月
MICHEL MARTIN, HOST: We're going to spend some time now talking about two world championships. Now, you've probably heard about the World Cup. It starts this week. And if you haven't, we'll tell you more about it in just a few minutes. But we're gues
2018年NPR美国国家公共电台6月
Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas
60秒科学
It's something that women do on a daily basis but did you know that the way you brush your hair could be ruining it? 梳头是女性们每天都做的事情，但是你知道你梳头的方式会伤发吗？ You may carefully select your shampoo and
趣味英语
上次我们学了几个由hair发展而来的习惯用语： win by a hair, lose by a hair, hair-raising。今天我们再要讲两个。第一个是：split hairs。 Slit意思是剖分。头发原本就相当纤细，再去剖分，那就不知有多
美国习惯用语
Why Are Some Hairs White? 为什么一些头发是白色的？ One day, a little girl is sitting and watching her mother wash the dishes in the kitchen. 一天，一个小姑娘正站在厨房里看着妈妈洗碗碟。 She suddenly notices that her
英语小达人
Lily is the second most beautiful girl in the school. She has lots of brown hairs and a beautiful face. She is tall, too. But, Linda is more beautiful than Lily. Linda has a beautiful face, too. Her hairs are longer than Lilys and they are more beaut
英语作文
I never liked this apple much It always seemed too big to touch I can't remember how I found My way before she came around I tell everyone I smile just because I've got a city love I found it in Lydia And I can't remember life before her name She kee
美国乡村音乐
A Jealous Wife There was once a wife so jealous that when her husband came home one night and she couldnt find hairs on his jackets she yelled at him, Great, so now you re cheating on me with a bald woman! The next night, when she didnt smell any per
趣味英语
Parallax is a phenomenon by which we can judge the distance to things just by looking at them. Astronomers use parallax to calculate the distance to stars. Do you need a gigantic computer-based observatory to use it? Not at all. Your finger will do n
英语时差8，16
Parallax 视差就是从有一定距离的两个点上观察同一个目标所产生的方向差异。从目标看两个点之间的夹角，叫做这两个点的视差，两点之间的距离称作基线。只要知道视差角度和基线长度，就
英语听力文摘 English Digest