有益性有助益helpfulness and caring: 樂(lè)于助人和關(guān)心他人helpfully: 有益地; 有用地helphero: 傳承者helpful tool: 得力工具helphotoshohelp: 幫助目錄下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯