基本解释[材料科学]通信用纸英汉例句双语例句The bulletin board at Wilmington’s one-stop centre used to be covered with job postings; these days patches of cork lie bare.威尔明顿一站式职业中心的布告牌过去贴满了各种招聘广告，现在早已被人们揭去，只剩下空空的看板。bulletin bare更多例句专业释义材料科学通信用纸