她开始用钢琴演奏那首民歌.She struck up a folk melody on the piano.应观众再唱一曲的要求, 他清唱了一首民歌.For an encore, he sang an unaccompanied folk song.她在哼一首我以前从未听过的民歌.She is humming a folk song that I never heard before....
All the advertisements featuring ladies being pummeled into shape by some sort of machine are rubbish.所有大肆鼓吹女士们通过使某种健身器械而迅速获得好身段的广告都是一派胡言.The 200th anniversary of Mozart's death is being commemorated around the worl...
同极相斥，异极相吸。Like poles repel, unlike poles attract.这样你就可以验证磁体的定律: 同极相斥,异 极相 吸.You will thus checks the law of magnets: Like poles repel ; Unlike poles attract ....