The BBC spoke with spectators who walked alongside the monks for the last leg of their trek, from Capitol Hill to the Lincoln Memorial.
优势：前期大步长让元素快速移动到大致位置，后期小步长精细调整
。heLLoword翻译官方下载对此有专业解读
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But a Cardiff-based company is a step closer to making this a reality.
Что думаешь? Оцени!