单词：low power factor wattmeter
单词：low power factor wattmeter 相关文章
Olympic Power Couple Loyal to Two Nations By tradition, the Olympic decathlon champion assumes the title of the world's greatest athlete. Those are big shoes to fill. But this month, a 24-year-old from the U.S. state of Oregon installed himself as th
VOA标准英语2012年(六月)
图片1 gram n．克 例句：The cook needs a gram of vinegar. 厨师需要一克醋。 grammar n. 文法，语法 例句：That is not, properly speaking ,a dictionary but a grammar book. 严格地说，那不是一本字典，而是一本语法书。
漫画搞定六级词汇（文本+音频）
Bladeless Wind-Power Generator is Friendly to Birds 新型风力发电机避免误伤鸟类 Wind turbines are efficient sources of cheap energy but also a source of concern as their huge spinning blades frequently kill birds and bats. A new type of w
VOA标准英语2015年(六月)
太阳能创新产品为肯尼亚居民提供廉价清洁能源 Gilbert Ondieki is installing a solar panel from M-Kopa on the roof of his shop in Kangemi, on the outskirts of Nairobi. 吉尔伯特奥德克正在内罗毕康济米郊区自己商店的屋
VOA标准英语2016年(二月)
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
学个词-1764-resurface 今天我们要学的词是 resurface。Resurface 动词, 意思是重新出现。An American woman resurfaced after going missing and abandoning her family for 11 years. 一个美国妇女在抛弃家庭，失踪11年之后，
英语单词荟萃