三年级上册 每日30词 ruler ruler ruler ruler have a ruler. ruler ruler ruler have a ruler. 尺子 ['ru:le(r)] 我有一把尺子。 【例】I have a ruler. pencil pencil 铅笔 ['pensl] 我有一支铅笔。 erase ea pencil. 三年级 英语同步字帖