性能: function (of a machine, etc.); performance; property; nature; [中医] property and action 短语和例子飞机性能 airplane characteristics; 反应堆性能 reactor behaviour; 金属的性能 metal properties; 性能优良 high perfor
正常: normal; regular; average 短语和例子恢复正常 return to normal; 脉搏正常 have a normal pulse; 运转正常 function normally; 情况很正常。 things are quite normal.; 正常报废 normal abandonment; normal retirement; 正常存货 nor
