[化] 减压蒸馏塔顶馏分

883 、 疲劳 fatigue 884 、 真空成形;真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形

发表于:2018-11-29 / 阅读(151) / 评论(0) 分类 英文名句短语

useless 无用的,没有价值的 user 用户,使用者 usual 通常的,平常的 usually 通常 utility 效用,实用 utilise 实用 utilize 利用 utmost 极度的,极端的,极限 utter 完全的,彻底的说 vacant 空闲的,空缺的

发表于:2018-12-01 / 阅读(107) / 评论(0) 分类 大学英语四级词汇拼读版

[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励,激励 紧急的,急迫的 功用,效用 利用 [1:11.2978]utmost vacant vacuum vague极度的,最大的 未被占用的,空着的 真空 含糊的,模糊的 [1:52.9962]vain valid vanish variable徒劳的,无效的 有效的,

发表于:2018-12-05 / 阅读(128) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

LESSON5ONAPLANE Goodmorning.ThisisCaptainMarconispeaking.WelcometoFlight333toWinnipegInternationalAirport.OurflyingtimetoWinnipegis45minutes.Fortake-off,allpassengersmustfastentheirseatbelts.And,passengersmuststoreallcarry-onluggageundertheirseatsori

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 走遍加拿大

She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She

发表于:2018-12-07 / 阅读(91) / 评论(0) 分类 原版英语小短文

Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(97) / 评论(0) 分类 365个英语简短小故事

[00:00.00] Unit 4 I LIKE GREEN [00:04.60]Unit 4 page 27 [00:11.26]LET'S SING [00:14.13]Listen, sing and act. [00:17.79]RAINBOW [00:20.43]Rainbow purple, rainbow blue,rainbow green and yellow too. [00:42.50]Rainbow orange, rainbow red.Rainbow smiling

发表于:2018-12-13 / 阅读(106) / 评论(0) 分类 广州小学一年级 (上)

Module 4 The natural elements Unit 1 Electricity today [00:11.08]自然世界 今日电的作用 [00:22.15]Read,learn and think [00:25.47]Electricity is very important to us. [00:27.73]电对我们相当重要。 [00:29.99]I'm going to show a video.

发表于:2018-12-17 / 阅读(220) / 评论(0) 分类 上海牛津初中英语七年级

I am feeling pretty energetic when I finish my three cookies and decide to do a little cleaning. 吃完三块饼干后,我感到精力充沛,决定去打扫一下房间。 I take out a rag and start dusting the living room. 我拿出一块抹布,

发表于:2018-12-17 / 阅读(60) / 评论(0) 分类 ESL露西的一天

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(94) / 评论(0) 分类 Scientific American(五)月

No. 26 Can you help me wash the car? 第二十六课 你可以帮我洗车吗? Practice Listen and Repeat A 1. I use the carwash at the gas station. 我在加油站洗车房洗车。 2. She sprayed me with the hose. 她用水管溅了我一身。 C

发表于:2018-12-25 / 阅读(68) / 评论(0) 分类 快口说英语

I am feeling pretty energetic when I finish my three cookies and decide to do a little cleaning. 吃完三块饼干后,我感到精力充沛,决定去打扫一下房间。 I take out a rag and start dusting the living room. 我拿出一块抹布,

发表于:2018-12-28 / 阅读(50) / 评论(0) 分类 ESL露西的一天

People in America - Ernest Hemingway, 1899-1961: One of the Most Famous Writers of the 20th Century His novels include A Farewell to Arms, Death in the Afternoon, and For Whom the Bell Tolls. Transcript of radio broadcast: 15 March 2008 VOICE ONE: I

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 VOA慢速英语2008年(三)月

A: Honey, the house is such a mess! I need you to help me tidy up a bit. My boss and her husband are coming over for dinner and the house needs to be spotless! B: Im in the middle of something right now. Ill be there in a second. A: This cant wait! I

发表于:2019-01-22 / 阅读(80) / 评论(0) 分类 英语播客-EnglishPod

今天学习的是Way Back Into Love的歌词。 I've been living with a shadow overhead 我一直生活在阴影中 I've been sleeping with a cloud above my bed 睡梦中床头也笼罩着乌云 I've been lonely for so long 我孤单了那么久 Tra

发表于:2019-02-04 / 阅读(66) / 评论(0) 分类 卡卡课堂早餐英语

CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 英语新闻

人物介绍(Introducing Somebody) 美文欣赏 Although Princeton, New Jersey, has a world-famous university, it is still a small quiet town. It is not a place where anyone would expect to see strange characters on the street. That is why one wo

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 英语作文

Macworld Boston, August 1997 波士顿Macworld大会 The staff memo announcing the repricing of Apple's stock options was signed Steve and the executive team, 1997年8月员工收到了宣布苹果股票期权重新定价的备忘录,上面是这样签

发表于:2019-02-15 / 阅读(79) / 评论(0) 分类 乔布斯传

It was at the end of the school year, and a kindergarten teacher was receiving gifts from her pupils. The florist's son handed her a gift. She shook it, held it overhead, and said, I bet I know what it is. Some flowers. That's right the boy said, but

发表于:2019-02-18 / 阅读(96) / 评论(0) 分类 趣味英语

9.有客来访Who's there? 是谁呀? 1.Who's there? 谁在那里? 2.Who is it? 你是谁? 1.Unlock the door and let me in. 把门打开让我进去。 2.May Icome in? 我可以进来吗? 1.Ring the doorbell.请按门铃。 2.Please use the d

发表于:2019-02-27 / 阅读(140) / 评论(0) 分类 快口说英语