Sturm and his co-workers at Princeton University built a Brownian ratchet that looks a bit like a thumbnail-size pachinko machine.是什么意思_Sturm and his co-workers at Princeton University built a Brownian ratchet that looks a bit like a thumbnail-size pachinko machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句