The Negro minstrel is touring the country.那个黑人歌舞团正在全国各地巡回演出.A strong love has sprung up between the minstrel and the king.于是吟游诗人与国王之间就产生了深厚的感情.The young minstrel had a rare, rich voice.这个青年歌手有一幅稀有的嘹亮嗓音....
放大倍数为实物大小的833,333倍。The magnification is 833,333 times the original size.八是四的倍数.The number 8 is a multiple of 4.他们的数制源自古巴比伦人，以数字6的倍数为基数。Their numerical system, derived from the Babylonians, was based on multiples of the n...
I was a dunce at chemistry.我在化学方面是个劣等生....a chemistry textbook.化学课本Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一.It was by using anima that Besant and Leadbeater could observe atoms a...