• 开口

Open GL开放性图形库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-roofed skull[医] 颅裂Open abdomen injury腹部开放伤open-circular DNA开环DNAopen the cover rate开盖率open width scouring开幅煮练open-guiding ring开口型导向环open drain drainage明沟排水open loop automatic开环自动控制系统open-bisimulation开互模拟open to the outside开放

1. He cut his hand on the edge of the open can.
   他的手被罐头开口处割破了。
2. I promised not to tell you,and my lips are sealed.
   我保证过不告诉你，所以我就不开口了。