focal length的用法和样例：

例句

Determine the focal length of your lens.决定你镜头的焦距。
As a result, the focal lengths in these planes will be different.结果，这两个平面内的焦距将不同。

【近义词】

focal distance〈摄〉焦距

美语听力与发音技巧 listen 3

美语听力与发音技巧第3期（清浊辅音结尾对元音的影响） Welcome to Daily Tips on Learning English. Today’s tip is on how different vowel lengths are used to differentiate words

发表于:2018-11-30 / 阅读(85) / 评论(0)

美语听力与发音技巧

美语口音训练第一册21

Exercise 1 -14: Make a Variable Stress Sentence CD 1 Track 21 Now you decide which words should be emphasized. Write a normal, everyday sentence with at least seven words and put it through as many changes as possible. Try to make a pitch change for

发表于:2018-11-30 / 阅读(101) / 评论(0)

美语口音训练第一册

【趣谈英语】电影预告片的使用-Trailers Used To Come After the Film

Pre-Listening Vocabulary trailer: a movie preview potential: possible in the future feature film: a full-length film being shown in a movie theatre stick around: to remain in a location stick: to last a long time Trailers Used To Come After the Film

发表于:2018-12-01 / 阅读(49) / 评论(0)

趣谈英语

手把手教你学口语06

Welcome to Daily Tips on Learning English. Todays tip is on how different vowel lengths are used to differentiate words ending in voiced and voiceless consonants. Lets take an example. Theres something in my eyes. Theres something in my ice. The last

发表于:2018-12-02 / 阅读(40) / 评论(0)

手把手教你学口语

英语语法：169 Do You Overuse "Of"?

Grammar Girl here. Today's topic is nixing the horrid of. Almost everyone has a few bad writing habits. They're often the kind of thing experts or even your friends can point to and say Yup, I know who wrote that. One of my bad habits is that I tend

发表于:2019-01-02 / 阅读(46) / 评论(0)

英语语法 Grammar Girl

英语语法：44 Do You Overuse "Of"?

发表于:2019-01-30 / 阅读(111) / 评论(0)

英语语法 Grammar Girl

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

'd've

acrochordal bar

al-Sukkari

aminacrine hydrochloride

automatic level controller

bachelor-girls

barrin'