单词：sulphur corrosion
单词：sulphur corrosion 相关文章
Sandy Lam has been rising early each day to swim in the waters off Hong Kong Island for nearly 30 years. Lam is 68 years old. He is part of a small community of about 50 people mostly older adults who often use the Sai Wan Swimming Shed. The small bu
2018年VOA慢速英语(十一)月
Lesson 92 A Box Of Matches 第92课 一盒火柴 We need fire every day, to warm our houses, or to cook our food, or to give us light. 我们每天都需要利用火来给房间加温、烹饪、照明。 Even savage tribes use fire for such purposes
英国学生科学读本
Airline food has a bad rap, but it doesnt completely deserve it. When we fly at high altitude we simply cant taste as much. The main reason is the low humidity in the airplane cabin, which causes our sinuses to dry out. The humidity is kept around 4%
轻松英文阅读
The cured meat adds to the Chinese tradition of flavour. 中国的味觉史就这样在腊味中延续着。 At a remote place in the Chinese mainland, you can experience a more ancient and aboriginal taste. 在远离香港闹市的内地山区，你可
舌尖上的中国第一季
Up in the Sierra Madre Mountains, in a bowl-shaped valley, is the capital of Mexico. 在马德雷山脉上有一个碗形的山谷，里面坐落着墨西哥的首都， It is called Mexico City, so you dont have to learn a new name. 叫做墨西哥城
美国学生世界地理教材
British Petroleum has put someone new in charge of their operations in Alaska, where they spilled 800,000 gallons of oil in March and where they shut down the biggest oil field in the United States in August because of pipeline corrosion. BP is the
初级商务英语听力2006
核心句型： Don't pass the buck. 不要推卸责任。 pass the buck 这则俚语的起源和纸牌游戏有关，据说在19世纪的纸牌游戏中，buck是指猎兽用的大型铅弹或者带鹿角手柄的刀。当轮到某人发牌时，这个
轻松日记商务职场篇
超节奏英文歌曲：I can--nas i know i can (i know i can) be what i wanna be (be what i wanna be) if i work hard at it (if i work hard it) i'll be where i wanna be (i'll be where i wanna be) be, b-boys and girls, listen up you can be anything in
欧美绝对经典 U2
A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and
英语情景对话-健康
Lesson 57 Sulphur 第57课 硫 Did you ever have to take a mixture of brimstone and treacle? This mixture has not a pleasant taste, but it is a useful medicine; and if it will do us good, we should not care much whether it has a nice taste or not. 小朋
英国学生科学读本
The fumes of burning sulphur will bleach straw, silk, and other things, and make them white and clean. These fumes are also useful for killing the germs which cause fevers and other diseases. 燃烧的硫磺冒出的烟，可以漂白稻草、丝绸和
英国学生科学读本
JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe
PBS访谈环境系列
ANA says it will replace the engines on its fleet of Boeing 787s after a series of engine failures caused by corrosion and fatigue cracking of turbine blades. 全日空航空公司表示，由于涡轮机叶片出现腐朽和裂痕造成的一系列引
英语新闻
The AG600 amphibious aircraft is expected to take its maiden flight over land in the first half of 2017 and on water in the second half, said its developer, the Aviation Industry Corporation of China (AVIC). 国有飞机制造商中国航空工业集团
英语新闻
Oh, my God, are you choking? Oh, my God, I feel like you're choking! Is anyone here a doctor? What am I saying? I forgot where I am. Has anyone here ever seen What do you do when a girl is choking? I just back up a few inches. What do we do? What do
跟着美剧练发音
Today we will learn some words connected with volcanoes; and we will find out that volcanoes are bad for aeroplanes, and why people in west London can now hear the birds sing. Volcanoes are mountains, or other places, where the inside of the earth co
听播客学英语
The State Council, China's cabinet, has released its timetable to upgrade fuel quality nationwide before 2017. The new standard for petrol and diesel, with sulphur content within 10 parts per million, is expected to be in practice nationwide by 2017.
英闻天下
Business 商业报道 General Motors woes 通用的悲鸣 What do you recall? 你召回什么？ GM is forced to confront its faults 通用被迫面对它的错误 WHEN Mary Barra took the wheel at General Motors in January she inherited a company in
经济学人商业系列