不知从什么时候起,蓝月亮城每个月月初,都会在城里最大的广场上举办交易会,大家把各自辛苦积攒的东西拿过来,换回自己最需要的东西。上个月,妈妈用了五个蚕茧,才勉强从一个老婆婆那儿换回一朵风干的蓝色桔梗花。“唉,现在东西是越来越不好换啦!”妈妈把干瘪的桔梗花泡进透明的茶壶里,一边看它在 I do not know since when, the blue moon city every month of the month, will be held in the city’s largest square fair, everyone took their hard-earned things come in exchange for what they need most. Last month, Mom used five cocoons and reluctantly exchanged a dried blue eustoma flower from an old lady. “Oh, now things are getting worse and worse!” "My mother spends her weakened balloonflower in a transparent teapot and looks at it