单词：continuous waves
单词：continuous waves 相关文章
How does light get from the sun to the earth? How does music get from the stage to the audience? They move the same way in waves! Light and sound are forms of energy. All waves carry energy, but they may carry it differently. Light and sound travel t
新东方CET6阅读
现在完成进行时(The Present Perfect Continuous Tense)表示由过去某时持续到现在的动作，由have(has)been+现在分词构成： It has been raining for three hours. 一连下了三个钟头的雨。 She has been working the whole mo
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[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ
美国英语听力80篇
Idiom: Make waves ( make problems ) Hit the book: Tropical Endangered Algae Bleaching Ban
趣味青春英语
VOA News March 11, 2011 - The first tsunami(海啸) waves have reached the U.S. West Coast after sweeping past the country's Pacific island state of Hawaii. There have been no immediate reports of casualties in the U.S. Waves of a meter or more hit t
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