加拿大: canada◇加拿大广播公司 canadian broadcasting corporation; 加拿大人 canadian
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