示踪材料;示踪物质

北师大初中英语九年级（全一册）--Unit 1-2

[00:00.67]Unit 1 Learning to Learn [00:04.63]Lesson 2 [00:09.62]Exercise 1.2 [00:12.06]Many people ask me [00:13.84]What's the best way to learn? [00:16.07]To tell the truth, [00:17.50]there isn't one correct answer. [00:19.92]Different people have d

发表于:2018-12-04 / 阅读(104) / 评论(0)

北师大版初中英语九年级（全一册）

北师大初中英语九年级（全一册）--Unit 1-1

[00:01.10]Unit 1 Learning to Learn [00:05.15]Lesson 1 [00:09.59]Exercise 1.2 [00:13.59]Hi,I'm a Junior high school student. [00:17.13]I had a wonderful summer vacation, [00:20.07]but I found I forgot a lot of my English [00:23.61]after the vacation.

发表于:2018-12-04 / 阅读(124) / 评论(0)

北师大版初中英语九年级（全一册）

波兰建造太阳能自行车道夜里发出蓝光

Poland unveiled a gorgeous, glowing bike path in the Mazury region to help nighttime cyclists get from A to B. 波兰马祖里地区近日建成一条精美绝伦、闪闪发光的自行车道，以帮助夜间骑行者从甲地骑到乙地。 The 10

发表于:2018-12-11 / 阅读(51) / 评论(0)

英语新闻

SSS 2011-07-21

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

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Scientific American(七)月

SSS 2009-07-22

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(88) / 评论(0)

Scientific American(七)月

商务英语词汇行销：商展

[00:03.81]bottom line :结余；结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择；决定采用 [00:15.17]high traffic :a.高流量

发表于:2018-12-31 / 阅读(166) / 评论(0)

商务英语分类核心1000词汇

英语应用文写作之慰问信

英语应用文写作之慰问信慰问信（Notes of Sympathy on Illness, Injury and Material loss）亲友生了病或受了伤，或由于火灾、水灾、被盗等不幸事件蒙受了损失，就应该写封信表示慰问。慰问信要写的

发表于:2019-01-03 / 阅读(59) / 评论(0)

英语作文

VOA标准英语2014--Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(90) / 评论(0)

VOA标准英语2014年(二月)

VOA标准英语2014--Scientists Create Blackest Material Ever

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(83) / 评论(0)

VOA标准英语2014年(七月)

中国尽最大努力推进科技创新

In a bid to upgrade the manufacturing sector, the Chinese central government rolled out the Made in China 2025 program last year, which is designed to transform China into a world manufacturing power. It has also been one of the hot topics at the soo

发表于:2019-01-20 / 阅读(54) / 评论(0)

英语新闻

外贸英语--主动报价

You may be interested in a copy of our current price list for straw products. Here is a price-list together with a booklet illustrating our products. Our products are very popular because of the natural material, their artistic designs and the fine w

发表于:2019-01-21 / 阅读(52) / 评论(0)

天天商务口语

对女性的各种时髦称呼！

白骨精 female office elite 拜金女 money-worship girl; material girl 败犬女 loser dog 大姐大 alpha woman 干物女 dry fish; dull and listless woman 乖乖女 well-behaved girl; obedient girl 虎妈 tiger mother 姐（姐只是个传说中的

发表于:2019-02-07 / 阅读(49) / 评论(0)

英语口语

有关于外贸跟单英语口语60句

有关于外贸跟单英语口语60句 1．whats the size?多大尺寸？ 90x90 (ninety by ninety)九十乘九十。 2．whats the cmb? 体积多大？ 0.07m3 (zero point zero seven cube meter) 0.07立方米。 3．whats the best/last price? 最低价是

发表于:2019-02-15 / 阅读(87) / 评论(0)

天天商务口语

让学生表达自己的手机应用

The APP, 'zenkr', allows students to participate in class, not through a show of hands, but by communicating through their smartphones. Users scan a QR code projected on screens with their smartphones or other devices and then answer questions. The r

发表于:2019-02-17 / 阅读(96) / 评论(0)

英语新闻

英语词汇：引领潮流的“果冻鞋”

Jelly shoes or jellies are shoes made of PVC plastic. Jelly shoes come in a large variety of brands and colors and the material is frequently infused with glitter. Its name refers to the semi-transparent materials with a jelly-like sheen. The shoes b

发表于:2019-02-18 / 阅读(57) / 评论(0)

英文语法词汇

跟单常用短语2

19.At least 1 CTN. 至少一箱/件。 20.Theres minimum quantity.有最小起订量。 21.Can they be mixed？可以混装吗？ 22.Mixed packing.混装。 23.Just a moment. Let me check.稍等，让我查一下。 24.Same price/size. 一样的价格

发表于:2019-02-19 / 阅读(99) / 评论(0)

实用英语

【跟着美剧练发音】美少女的谎言39

文本： H: Come in. A: Doing your homework? H: Yeah. What's up? A: I was just reading some material on this truth up day. Figure if I'm going to supervise, I... H: You really don't have to go. I mean, it sounds pathetic. A: No, I want to go. I need

发表于:2019-02-23 / 阅读(52) / 评论(0)

跟着美剧练发音

与空气污染有关的托福词汇

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(87) / 评论(0)

雅思英语

旅游英语口语大全旅途购物

Choosing Clothes 挑选服饰 1.I'm just looking. 我只是看一看。 2.Please show me this one. 请给我看这件。 3.What size do you take? 您要什么尺寸的? 4.Will this material wear well? 这面料耐穿吗? 5.I'm afraid I don't like tha

发表于:2019-03-11 / 阅读(124) / 评论(0)

英语口语

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学英语单词

Abensberg

acrylic crown

addle-pated

air recirculation system for plant compartments

autolongline machine

automaking

automatic data digitalizing system