基本解释[经济学]小孩床包垫床单英汉例句双语例句Coordinating fitted crib sheet features elastic on all sides for additional ease and fit.协调装婴儿床表功能上额外的缓解和适应各方面的弹性。词组短语短语fitted d crib sheet 小孩床包垫床单专业释义经济学小孩床包垫床单