The wind , having gone no - one - knows - where, suddenly re turns , returns as a beating drum: Boom - lum - lum , Boom - lum - lum!
不知到什么地方去过一次的风, 忽然又回来了,这回是打着鼓似的: 勃仑 仑, 勃仑仑!
汉英文学 - 散文英译
Standing wave LUM is the mainstream of the research of the LUM.
驻波型直线电机是直线型超声波电机发展的主流.
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