专用: (reserved for) special use; for a special purpose◇专用拨款 special appropriation funds; 专用车床 special purpose lathe; 专用车辆 special-purpose vehicle; 专用电话 telephone for special use; 专用码头 single us
电池: [电学] cell; battery; element; electric battery 短语和例子干电池 dry cell; 太阳能电池 solar battery; 蓄电池 storage battery; 电池用完了。 the battery has run down. 这台半导体收音机用4节小电池。 this transistor radio has four s