Pellidon
多孔聚酰胺膜
??? 情景例句
Would you like to get married?
你想結婚嗎？
I'm going to be sixty-one next Tuesday.
下星期二我將60歲了。
Really? Where will you stay in England -- the capital?
真的嗎？你們在英國住在哪兒--首都嗎？