钱川同学
打开 [dǎ kāi] (揭开; 拉开; 解开) open; unfold: untie a bundle;打开包袱take off the lid;打开盖子break open the iron shackles;打开铁锁链slip parachute打开降落伞(接通电路) turn on; switch on: turn on the radio [light]打开收音机[电灯](攻开) break through: break through an encirclement or fight a way out打开一条出路(展开; 扩展) open up; spread: spread out the map;打开地图open up a new prospect;打开局面broaden one's scope of mind;打开思路widen one's horizon打开眼界