round与around,cross与across我搞不明白,到底有什么区别?谁能给详细说说主?

round与around的区别 round与around,cross与across我搞不明白,到底有什么区别?谁能给详细说说主? turn round与turn around区别是什么 英语中round 与 around的用法区别 take sb.around sp.与take sb.round sp.的区别 有look up 这样的词祖玛还有,我想知道cross,across及round,around的区别. {初二英语}round和around,cross和across的区别请举例说明. across和cross,around和round有什么区别?有什么用法? all the year around有这个词组吗?又有没有around the year这个词组呢?不是说all 与 around不能一起用吗，all the year round与all the year around 有什么区别吗？ all the year round与 all the year around有什么区别?哪一个是一年到头的意思? be around the corner 还是be a round the corner, round & around 的区别 round around的区别 The signs_____the lake sayNo fishing.A.around B.round C.a round D.ground across与cross的区别 Look around when ( ) the road .A.cross B.crossing C.crossed D.to cross numeric 与 round 的区别? around与about 区别