单词：high pressure steam heating
单词：high pressure steam heating 相关文章
Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press
英语听力文摘 English Digest
今天我们要学的词是trials。 trial, 是审判的意思，变成复数，后面加个s, 一般是指体育比赛的预选赛。 Things are heating up at the U.S. Olympic trials, 美国奥林匹克选拔赛进行得如火如荼。 美国游泳天
英语每日一词
By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus
2007年VOA标准英语（九月）
今天我们要学的词是trials。 trial, 是审判的意思，变成复数，后面加个s, 一般是指体育比赛的预选赛。 Things are heating up at the U.S. Olympic trials, 美国奥林匹克选拔赛进行得如火如荼。 美国游泳天
英语单词荟萃
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
英国学生科学读本
Boiling Water Under Boiling Clouds You may be surprised to hear that its actually easier to boil water on stormy days than it is when the weather is clear and sunny. Can you guess why? The reason is that the boiling point of water changes slightly in
英语听力文摘 English Digest