serviceable life使用年限;探讨
serviceable range使用范围
serviceable car[车辆] 运用车;可使用的车;使用的车
serviceable item适用的项目
serviceable supplies使用可能补给品
serviceable length有效长度
serviceable wagon[车辆] 运用车
ADJ（形容词） If you describe something as serviceable, you mean that it is good enough to be used and to perform its function. 可用的; 够用的
His Arabic was not as good as his English, but serviceable enough.
他的阿拉伯文没有他的英语好，但是足够用了。