短語(yǔ)詞組用作動(dòng)詞 (v.)~+名詞volunteer some information 主動(dòng)提供一些信息volunteer suggestion 主動(dòng)提出建議~+介詞volunteer as special correspondent 自告奮勇當(dāng)特派記者volunteer for service 自愿服兵役volunteer for the work 自愿做這工作短語(yǔ) 返回 volunteers