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
扣: Ⅰ动词1.(套住或搭住) button up; buckle 短语和例子把门扣上 latch [bolt] the door; 把皮带扣上 buckle a belt; 把衣服扣上 button (up) one's coat; 扣钮扣 do up the buttons2.(把有口的器物倒过来或罩在别的东西上) place a cup, bowl etc. upside
