流直径；喷嘴直径

有声英文阅读-月球

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)

有声英文阅读

职业技术英语口语第24期:工具和设备在库房

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管？ B:What size do you need? B:你需要什么型号的？ A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(57) / 评论(0)

职业技术英语口语

购物英语对话-Buying a Pan(1)

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)

购物英语对话

【购物】买平底锅-Buying a Pan

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:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(55) / 评论(0)

购物-Shopping

Tree climbing: Part 2

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)

六分钟英语

地道英语在线听-Jet Lag 飞机时差

Helen : This is Real English from BBC Learning English. Im Helen. ZO : 大家好，欢迎收听今天的地道英语，我是刘佳。 Helen : Today were going to look at words and phrases that have recently become part of the English language. ZO : 要掌握地道的英语，重

发表于:2019-02-26 / 阅读(139) / 评论(0)

地道英语在线听

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学英语单词

aircraft electrical power generating system

annumerated

anode circuit detector

arbor with cross-key

at the peak of

attenuation equalization