[化] 棘轮装置

ratchet gear的用法和样例：

例句

A ratchet allows a heavy weight to be raised in short successive stages.棘轮可在简短连续的步骤内就把一个重物抬高。
As the piston descended, a ratchet engaged the piston rod and engine shaft and thus power was transmitted.当活塞下行时，棘轮连接活塞杆和发动机轴，因此将功率输送出去。

BBC Top Gear节目明星拳击制片人

BBC Top Gear star punches producer BBC Top Gear节目明星拳击制片人 The BBC suspended a big star, Jeremy Clarkson. He hit his producer. Mr Clarkson presents the popular Top Gear show. He hit the producer because there was no food after a show.

发表于:2018-12-03 / 阅读(75) / 评论(0)

英语科技新闻

掌握英语发音第二章第五节

[00:37.41]experience fear mysterious idea [00:45.77]realize weird theatre museum [00:53.71]Shed no tears,my dear. [00:58.75]She's all ears and hearing you clearly. [01:04.31]Is there a hotel near here? [01:09.36]Things are clear; you don't need to fe

发表于:2018-12-03 / 阅读(159) / 评论(0)

掌握英语发音

英乐时空I will Be There For You

I'll Be There For You The Rembrandts I'll Be There For You 为你，我会在那里 So no one told you 没有人曾告诉过你， Life was gonna be this 1)way 生活就是这样的。 Your job's a jo

发表于:2018-12-13 / 阅读(64) / 评论(0)

英乐时空

机械类词汇大全-28

1135 、晶体点阵；晶体格构；晶格 crystallattice 1136 、棘轮和爪 ratchetandpawl 1137 、棘齿 ratchet 1138 、棘齿弓钻 ratchetbrace 1139 、壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(113) / 评论(0)

英文名句短语

I'll Be There老友记主题曲

I'll Be There For You Rembrandts So, no one told you life was going to be this way Your job's a joke, you're broke, your live life's D.O.A. It's like you're always stuck in second gear Well, it hasn't been your day, your week, your month, or even you

发表于:2019-01-03 / 阅读(113) / 评论(0)

英语金曲精听

2007年VOA标准英语-Brad Paisley's '5th Gear' Takes Fans on a Music

By Mary Morningstar Washington 25 July 2007 Country legend George Jones once wrote a letter to Brad Paisley that said, I am counting on you to carry on the tradition and make folks sit up and listen to what good Country music should sound like. As VO

发表于:2019-01-07 / 阅读(152) / 评论(0)

2007年VOA标准英语（七月）

英语歌曲:Goin' Campin' 去露营

Goin'Campin' 去露营 Goin'campin'campin',campin'outunderthestars, Letmetellyou,goin'campin',campin', Campin'outunderthestars. We'retakin'ourgearandfoodalong, Campin'outunderthestars, We'regivin'acheerandsingin'asong, Campin'outunderthestars. Campin

发表于:2019-01-10 / 阅读(140) / 评论(0)

Wee Sing In The Car

闭着眼睛飘单词四级词汇27

[0:0]gallery gallon gang gap画廊,美术馆加仑 (一)帮,(一)伙缺口,间隙 [1:7.5288]garbage gardener垃圾,废物园丁 [1:30.3345]garlic gas gasoline gaze大蒜气体,煤气汽油凝视,注视 [2:10.6406]gear gene generally generate齿轮装置基因一般地,通常生成,产生

发表于:2019-01-16 / 阅读(128) / 评论(0)

闭着眼睛飘单词四级词汇

美国国家公共电台 NPR Alaska Fishermen Hauling A Bigger Catch With Gear They Get To Use For The First Time

LULU GARCIA-NAVARRO, HOST: Alaska's halibut and black cod fishermen are in a food fight with killer whales. But some fishermen are now using a new piece of gear that prevents the whales from stealing their catch. From member station KBBI in Homer, Al

发表于:2019-01-17 / 阅读(86) / 评论(0)

2018年NPR美国国家公共电台12月

重磅！三星推出新款智能手表Gear A

Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我

发表于:2019-02-01 / 阅读(128) / 评论(0)

阅读空间

英语流行歌曲：Chris Brown&T.I.& E-40 《Episode》

RB 天王 Chris Brown 联手 T.I.,E-40 新单《Episode》！有表哥 Chris Brown 的MV，都是金碧辉煌，美女缭绕的，真是太性感了，受不了了啊，合作单曲很赞哦。歌词： [Hook] All the little bad bitches in here If

发表于:2019-02-01 / 阅读(71) / 评论(0)

流行英文歌曲

每日一词【779】ratchet：棘轮

今天我们要学的词是ratchet。 Ratchet是一个机械部件，叫棘轮，推动机器向一个方向转动。做为动词，我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。哈佛大学

发表于:2019-02-02 / 阅读(73) / 评论(0)

英语每日一词

学个词Learn a Word 第779期 Ratchet

发表于:2019-02-02 / 阅读(109) / 评论(0)

英语单词荟萃

学个词Learn a Word 第798期 Gear up

今天我们要学的词是gear up。 Gear up, 做好准备。The police are gearing up for a crackdown on drunk driving, 警察正在积极准备采取行动，严厉打击酒后驾车。九月一到，学校就要开学了。Schools all over the co

发表于:2019-02-03 / 阅读(65) / 评论(0)

英语单词荟萃

每日一词【798】gear up：做好准备

发表于:2019-02-05 / 阅读(95) / 评论(0)

英语每日一词

US Women Gear Up for World Cup

The sixth FIFA Women's World Cup kicks off in Germany in June, with the team from the host nation as the two-time defending champion. The United States women's soccer team won the gold medal at the 2008 Beijing Olympics and is ranked number-one in th

发表于:2019-02-08 / 阅读(134) / 评论(0)

英语新闻

Lamy: Doha negotiations need higher gear

GENEVA, Oct. 19 (Xinhua) -- The WTO Director-General Pascal Lamy told the Trade Negotiations（谈判,磋商） Committee on Tuesday that the foremost challenge over the next several weeks is to take the engagement on Doha negotiations to a higher ge

发表于:2019-02-08 / 阅读(119) / 评论(0)

英语新闻

学个词 Learn a Word-VOA英语教学 2908 ratchet up

今天我们要学的词组是ratchet up。Ratchet up，意思是激化、加剧。North Korea's foreign minister ratcheted up tensions, saying his country had the right to shoot down U.S. planes even outside North Korean airspace. 朝鲜外交部长加

发表于:2019-02-16 / 阅读(62) / 评论(0)

英语单词荟萃

咱们裸熊第58期:最好的房客

What? 神马？ Her name is...princess. 她的名字叫做... 公主。 Yeah? Prove it! We know he's in here somewhere.Prove it! Prove it! Prove it! Prove it! Prove it! Prove it! 是吗？证明一下！我们就知道他在这里。证明！证明！证

发表于:2019-02-19 / 阅读(94) / 评论(0)

咱们裸熊

omg美语：0403 OMG! 美语 Get Your Butt in Gear!

Get your BUTT in gear!!!! 我们今天一起来看看怎么用美语口语说开始做某件事！ Get on that! 开始做某件事 2) Get going on that! 开始做某件事 3) Get your butt in gear! 开始做某件事!

发表于:2019-03-02 / 阅读(136) / 评论(0)

OMG美语

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

acturience

additional soil

alkyl

all risks cover-hulls

allowable suction vacuum