open gap开式放电器,开启间隙openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open-ended mutual fund开放式基金open abdominal operation开腹open field isodose curve开放野等剂量线open type thrust bearing敞开式推力轴承Open - source software开放源软件open - phase operation非全相运行open up possibilties for为； 开辟 ... 的可能性open reel tape transport开卷式磁带机open the commercial port开埠open collections program开放馆藏计划

1. An area of open water surrounded by sea ice.
   冰间湖由海水冰围成的一块开阔的水域