expandorn.扩张器
expandv.使 ... 膨胀;详述;扩张;增加;张开
expandable tubular膨胀管
Expand/Collapsen.展开/折叠
expanded beam lens扩束透镜
expand directories展开目录
expandable graphite膨胀石墨
expandable language可扩展标记语言
expand on a problem对某个问题加以阐述
expand continuously连续膨胀
Expanded blood meal膨化血粉
expanding knowledge横向知识