齿轮切削最大直径

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(54) / 评论(0) 分类 有声英文阅读

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 2011年VOA慢速英语(三)月

北京奥运28大项 参与,竞争,分享,进步 Cycling 自行车 英文原文 The number of riders participating in a road race shall be limited to 200. The number of titular riders per team shall be set at 4 minimum and 10 maximum. The organizer shall indicate in

发表于:2018-12-30 / 阅读(92) / 评论(0) 分类 奥运28大项比赛

我们已经讲过两个以cut 这个字为主的习惯用语。让我们先来复习一下cut是怎么拼的。Cut这个字最普通的意思就是用刀把什么东西切开。可是,在今天我们

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 美国习惯用语

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(92) / 评论(0) 分类 购物英语对话

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme(节目,计划), Im joined by Kate.

发表于:2019-02-05 / 阅读(71) / 评论(0) 分类 六分钟英语