试题题干
pump的意思是（ ）
参考答案
正确答案：
试题解析
pump：泵；打气筒
例句：There was no water in the building, just a pump in the courtyard.
句意：楼里没水，只在院子里有个水泵。
pump的意思是（ ）
pump：泵；打气筒
例句：There was no water in the building, just a pump in the courtyard.
句意：楼里没水，只在院子里有个水泵。