成套类 non-nested family: 非成套类nested: 巢状的; 内装的; 嵌套的; 相互套入的nested barges: 套装驳nested binding: 嵌套结合nested block: 嵌套分程序; 嵌套块; 嵌套循环下载手机词典可随时随地查词查翻译