It is convenient and flexible.It can overcome blindness and fortuitousness from the feeling and the experience, and can establish good proportional relations and precise numerical concept.是什么意思_It is convenient and flexible.It can overcome blindness and fortuitousness from the feeling and the experience, and can establish good proportional relations and precise numerical concept.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句