读亚洲轮廓图,回答下面小题。
You'd better polish up the o____ version before sending it to the publishing house.
“中部高,四周低”是亚洲地形的一大特征,受其影响亚洲河流的特点是 ( )
多音字组词
绿lǜ____ lù____
撒sā____ sǎ____