practical realities什么意思?

practical realities什么意思? practical practical有几乎的意思吗? practical在句中的意思是 practical knowledge和technical knowledge 什么区别? practical是什么意思? e__：a formal written,spoken or practical test.应该写什么 这里的is laid on 什么用法：emphasis is laid on practical and vocatio practical significance是什么意思 The plan () very practical. practical joke是什么意思 practical electric light