【化学】杜瓦真空瓶[亦作Dewar flask]

机械类词汇大全-22

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(184) / 评论(0)

英文名句短语

日常生活英语-Cleaning Your Room(1)

A: Did you clean your room today? B: No, not yet. A: Well, when were you planning on doing that? B: I'm going to clean it up later. A: Didn't I ask you to clean it up earlier? B: I'm going to clean it. A: I want you to vacuum in your room, and don't

发表于:2018-11-30 / 阅读(163) / 评论(0)

英语情景对话-日常生活

生活英语情景口语:这个丈母娘真是麻烦!

D: your daughter will be back soon. I'm going to start making dinner. You can just watch some TV in TV room if you like. We just bought a new TV with a LCD screen. The remote control is on the coffee table next to the armchair. L: would you mind if I

发表于:2018-11-30 / 阅读(125) / 评论(0)

生活英语情景口语

大学英语四级词汇 082

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(129) / 评论(0)

大学英语四级词汇拼读版

闭着眼睛飘单词四级词汇64

[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(155) / 评论(0)

闭着眼睛飘单词四级词汇

原版英语小短文 5. Vacuum the Carpet

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(115) / 评论(0)

原版英语小短文

365个英语简短小故事-334. The Vacuum Cleaner Filter(1)

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(123) / 评论(0)

365个英语简短小故事

上海牛津初中英语七年级下--Module 4 The natural el

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(267) / 评论(0)

上海牛津初中英语七年级

上海牛津初中英语七年级下--unit 4 How is food ma

unit 4 How is food made? [00:10.12]食品是如何制作的？ [00:20.24]Read [00:22.05]Kitty and her classmates are going to do a project. [00:25.31]基蒂和她的同学将作一个课题。 [00:28.58]The project is to investigate how different kin

发表于:2018-12-17 / 阅读(236) / 评论(0)

上海牛津初中英语七年级

ESL露西的一天第104期:清洁与放松(2)

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(85) / 评论(0)

ESL露西的一天

SSS 2009-05-27

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(122) / 评论(0)

Scientific American(五)月

快口说英语026

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(87) / 评论(0)

快口说英语

聆听悦耳英音59:女性创业者的酸甜苦辣Businesswomen (1)

嘉宾：Debbie Mason 话题：英国社会观察---女性创业者的酸甜苦辣Businesswomen 单词拼写： 1、Ensued：followed 2、Entrepreneurs：a pioneer who starts something, in particular a business 3、Condemnation：stronger criticism 4、

发表于:2018-12-27 / 阅读(90) / 评论(0)

聆听悦耳英音

ESL露西的一天第95期:清洁与放松(1)

发表于:2018-12-28 / 阅读(75) / 评论(0)

ESL露西的一天

英语课程计划-Housework Day

No Housework Day is one of those days you see on calendars on the Internet but dont know where it came from. It is always on April 7th. It is one day of the year when it is OK to do nothing in the house. Everybody has the day off from doing the house

发表于:2018-12-29 / 阅读(90) / 评论(0)

英语课程学习计划和讲义

托福听力单句训练附答案:第90期

听力题目： 19.(A). Peggys sister will be staying with her for a week. (B). Peggys sister will arrive in eight days. (C). Peggy is going to see her sister tomorrow. (D). Peggy and her sister are coming to town soon. 20.(A). Take it back to the st

发表于:2019-01-18 / 阅读(122) / 评论(0)

托福听力单句训练

英语播客EnglishPod 34

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(99) / 评论(0)

英语播客-EnglishPod

宇航员为太空行走做准备

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(155) / 评论(0)

英语新闻

快口说英语009

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(162) / 评论(0)

快口说英语

【英语时差8,16】了解暖水瓶的工作原理-下

Whats A Good Insulator? How about air? Air is, in fact, a pretty good insulator, which is why styrofoam keeps things hot. Its full of air. But even better than that would be a vacuum. Because theres nothing in it to heat up, heat cant conduct through

发表于:2019-03-06 / 阅读(152) / 评论(0)

英语时差8，16

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

0719

3-o-benzoquinonyl

adzima

anticipatory model of crisis management

appropinquate

Atalanthus

attenuation step pilot lamp