英语词汇lifeguard on duty怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	lifeguard on duty
释义	on duty — 值班 • 坐班 duty n — 责 n • 职 n • 职责 n • 任务 n • 税 n • 天职 n • 职分 n • 职守 n • 本职工作 n on prep — 关于 prep
随便看	project feasibility study project features project figures project file project file server project filling project final report project finance project Finance Division project finance loan project finance transactions project financing schemes project findings project finished in 2005 project flow project flyer project focal point project focus project focused on project focuses on project focusing on project focussed on project followed by project follow-up project for

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

on duty —