Unit 2 Some stories are more interesting.
meat(肉)lose(丢失)its(它的)cross(v.横过;越过)drop(v.落下;掉下)wood(n.木;木头)happily(adv.高兴地)a piece of( 一张;一片)更多单词 >>
Unit 3 We should learn to take care of ourselves.
exercise(活动;运动)healthy(健康的)keep(保持某种状态)take care of( 照顾;处理)jog(慢跑)更多单词 >>
Unit 7 I'm not afraid.
clever(聪明的;聪颖的)tired(疲倦的)afraid(害怕)worry(担心;担忧)difficult(困难)kid(小孩)close(关;关闭)更多单词 >>
Unit 9 Look at these beautiful places in the world.
the Great Wall( 长城)travel((尤指长途)旅行)Big Ben( 大本钟)places of interest( 风景名胜)the Eiffel Tower( 埃菲尔铁塔)the Golden Gate Bridge( 金门大桥)更多单词 >>