Optical tweezers use the tiny force of a beam of light from a laser to push around and control tiny objects, from cells to plastic beads.是什么意思_Optical tweezers use the tiny force of a beam of light from a laser to push around and control tiny objects, from cells to plastic beads.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句