放大槓桿

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(48) / 评论(0) 分类 数学英语

Once upon a time there was a princess who was ever so proud: if any man came to woo her she would set him a riddle, and if he couldn't guess it he was laughed to scorn and sent packing. She also had it made known that whoever did guess the answer to

发表于:2019-01-06 / 阅读(91) / 评论(0) 分类 阅读空间

Tom is applying for a job as a signalman for the local railroad, and is told to meet the inspector at the signal box. The inspector decides to give Tom a pop quiz, asking, What would you do if you realized that two trains were heading towards each ot

发表于:2019-01-26 / 阅读(88) / 评论(0) 分类 趣味英语

What If... 如果怎么样 Tom is applying for a job as a signalman for the local railroad. 汤姆在应聘做地方铁路系统的信号员。 The inspector decides to give Tom a quiz, asking, What would you do if you realized that two trains were h

发表于:2019-01-28 / 阅读(52) / 评论(0) 分类 英语小达人

Bicycle 自行车 Tire 轮胎 Rim 轮圈 Saddle 坐垫 Seat post 座杆 Seat post clamp 座杆束子 Rear brake 后刹车 Front brake 前刹车 Seat stay 后上叉 Chain stay 后下叉 Seat tube 座管 Top tube 上管 Down tube 下管 Freewheel 飞轮 Rear Ends/Dropouts 后叉端 Deraill

发表于:2019-02-05 / 阅读(57) / 评论(0) 分类 英文语法词汇

乔治桑(George Sand)曾经说过 There is only one happiness in life, to love and be loved. (生命里只有一种幸福:爱与被爱。)正所谓一杯白水,一口干粮,只要爱人在我身旁,荒漠也会变成天堂!找到了那

发表于:2019-02-17 / 阅读(78) / 评论(0) 分类 英文语法词汇