[电] 真空浸透

vacuum impregnation的用法和样例：

例句

The metallography samples fabricated by the vacuum impregnation of resin are introduced.详细介绍了真空浸渍树脂法制备金相样品的制备过程。

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(251) / 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(241) / 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(170) / 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(189) / 评论(0)

大学英语四级词汇拼读版

听一分钟英文：Robots-机器人

A long time ago, robots belonged to science fiction. Children loved looking at movies with robots. Today, robots are real, and they are helping us. In the future, we will all have robots. They will vacuum the floor, wash the dishes, perhaps even driv

发表于:2018-12-04 / 阅读(144) / 评论(0)

听一分钟英文-R

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(209) / 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(147) / 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(163) / 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(343) / 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(151) / 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(156) / 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(131) / 评论(0)

快口说英语

ESL露西的一天第95期:清洁与放松(1)

发表于:2018-12-28 / 阅读(109) / 评论(0)

ESL露西的一天

世界节假日博览第66期:无家务日

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(154) / 评论(0)

世界节假日博览

英语课程计划-Housework Day

发表于:2018-12-29 / 阅读(129) / 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(172) / 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(135) / 评论(0)

英语播客-EnglishPod

【听英文对话做选择】周六做家务

1. What does the boy want to do at the beginning of the conversation? A. go play outside B. watch TV C. play video games 2. What is one thing the boy is NOT assigned to do around the house? A. clean the garage B. vacuum the floors C. wash the walls 3

发表于:2019-01-23 / 阅读(227) / 评论(0)

听英文对话做选择

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(193) / 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(225) / 评论(0)

快口说英语

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学英语单词

acustic labyrinth

aerobic biological oxidation

aniline-formaldehyde lacquer

Appear.

basic building block