n. [电] 升压放大器，[声] 辅助放大器；高频前级放大器

纯正地道美语(外教讲解)335：Vaccinations 接种疫苗

A : Hello Mrs Parker, how have you been? 帕克先生你好，最近好吗？ B : Hello Dr Peters. Just fine thank you. Ricky and I are here for his vaccines. 你好，彼得医生。我很好，谢谢。我和里基在这里等注射疫苗。 A : Ve

发表于:2018-11-30 / 阅读(154) / 评论(0)

纯正地道美语

加拿大设计20公里长可充气通天塔使太空发射成本更低

20-Kilometer Inflatable Tower Could Make Space Launches Cheaper 加拿大设计20公里长可充气通天塔使太空发射成本更低 Launching space vehicles is still very costly because booster rockets are not reusable. A space elevator could mak

发表于:2018-12-16 / 阅读(112) / 评论(0)

VOA标准英语2015年(九月)

ESL之餐饮娱乐 04 Making a Restaurant Reservation

04Making a Restaurant Reservation GLOSSARY reservation a request that a table, seat, or room be available for ones use at afuture time* Have you made hotel reservations yet for your trip to San Diego? How many will be in the party? How many people wi

发表于:2018-12-26 / 阅读(157) / 评论(0)

2007年ESL之餐饮娱乐

《名人传记》之乔布斯遗失的访谈56:微软起家全靠IBM

But it was... what happened was the ...understanding of how to move these things forward, and how to create these new products, somehow evaporated, 他们不懂如何利用新技术，不懂如何创造新产品 and I think a lot of good people stuck

发表于:2018-12-27 / 阅读(164) / 评论(0)

名人传记

新西兰英语 685 Child booster seats in cars

New Zealand will change the law to make it compulsory for children up to the age of 7 to sit in a booster seat in a car. At the moment, the law says it is compulsory for children up to the age of 5. Doctors at Starship hospital, which is the Auckland

发表于:2018-12-31 / 阅读(138) / 评论(0)

新西兰英语

VOA慢速英语--Common Adverbs in Conversation: Amplifiers, Downtoners

From VOA Learning English, this is Everyday Grammar. Imagine you are at a business meeting. You have just presented a plan to your business partners. They want to give suggestions for how to make your plan better. The conversation might sound like th

发表于:2019-01-02 / 阅读(156) / 评论(0)

2017年VOA慢速英语(二)月

美联社新闻一分钟 AP 2015-3-17

1. Police in Ferguson Missouri continued their investigation into the ambushed two police officers earlier Tuesday. The officers wearing police lines outside the Ferguson police apartment were demonstrated together. Both officers were being treated f

发表于:2019-01-11 / 阅读(170) / 评论(0)

美联社新闻一分钟2015(三)月

VOA慢速英语2016 NASA最强火箭测试成功火星之旅指日可待

NASA Successfully Tests New Rocket Engine NASA最强火箭测试成功火星之旅指日可待 The American space agency successfully tested a powerful new rocket engine this week in the desert of northern Utah. The rocket booster is meant to take a

发表于:2019-01-12 / 阅读(263) / 评论(0)

2016年VOA慢速英语(七)月

创造历史!SpaceX火箭发射回收成功

SpaceX Celebrates Historic Rocket Launch, Landing 创造历史!SpaceX火箭发射回收成功 And the safe landing is a big deal. It means that space travel could become a lot easier in the future. Normally rockets deliver their payload a satellite,

发表于:2019-01-12 / 阅读(121) / 评论(0)

2015年VOA慢速英语(十二)月

SpaceX卫星运载火箭回收失败

SpaceX announced a successful satellite launch on Sunday but failed an attempted sea-landing of a rocket booster, missing a goal that has repeatedly eluded the grasp of the Los Angeles-based rocket company. 总部位于旧金山的火箭公司SpaceX上

发表于:2019-02-03 / 阅读(134) / 评论(0)

英语新闻

ESL Podcast 259 – Making a Restaurant Reservation

Hostess: Thank you for calling Sakia Restaurant. How may I help you? Randy: Id like to make a reservation. Hostess: For which day and for what time? Randy: Its for Friday, the 24th, at 7 oclock. Hostess: How many will be in the party? Randy: There wi

发表于:2019-02-18 / 阅读(137) / 评论(0)

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学英语单词

2-amino-5-napnthol-7-sulfonic acid

a piacere

Abrasax stones

adhesible

agricultural machinery industry