Regularly airingout the bedroom is important in Germany, with 96% saying they do it more than once a week.
经常让卧室通风对于德国人而言非常重要，96%的德国调查者说他们一周不止一次会让卧室通通风。
3
It had been found out that dry up by airing or under the sun can improve washing-property of the ore markedly and increase washing-efficiency of bauxite ore.