1
on the roster
表示某人在名单中。
She is on the roster for the night shift.
她在夜班名单上。
名单；名册
先理解核心含义，再看它在真实句子里的用法。
名单；名册
A list of the names of the people in a team, military unit, or other group.
She is on the roster for the night shift.
她在夜班名单上。
个人或团体的名单,通常用于某种组织,如军事官员和入伍人员的名单；运动队的名单,列出有资格参加比赛的球员；或学校或班级正式注册的学生名单
A list of individuals or groups, usually for an organization of some kind such as military officers and enlisted personnel enrolled in a particular unit; a muster roll; a sports team, with the names of players who are eligible to be placed in the lineup for a particular game; or a list of students officially enrolled in a school or class.
组织成员需要完成的工作清单,通常附有预期完成的日期和时间
A list of the jobs to be performed by members of an organization and often with the date and time that they are expected to perform them.
为每位员工安排班次时间和日期的时间表
A schedule or timetable setting out shift times and dates for each employee of a business.
显示集合元素的括号列表
A bracketed list that shows the elements of a set.
The coach checked the roster before assigning positions.
教练在分配位置前核对了花名册。
All the new employees' names are on the company roster.
所有新员工的名字都在公司花名册上。
The teacher updated the class roster after the transfer student arrived.
转学生到达后，老师更新了班级花名册。
表示某人在名单中。
She is on the roster for the night shift.
她在夜班名单上。
表示将某人添加到名单中。
The coach added two new players to the roster.
教练把两名新队员加入了名单。
用于说明名单的内容。
The company maintains a roster of approved suppliers.
公司维护一份批准供应商的花名册。
Not this
He is in the roster.
Use this
He is on the roster.
表示在名单上常用介词 on，而非 in。
Not this
The manager has many roster to check.
Use this
The manager has many rosters to check.
roster 是可数名词，复数形式需加 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在名单上；在名册上
Is she on the roster for this semester's classes?
这学期的课程名单上有她吗？
完整名单；全员名单
The team expects a full roster for Saturday's match.
球队期待周六的比赛有完整的参赛名单。
现役名单（体育队可上场比赛的球员名单）
He was placed on the active roster after recovering from injury.
他伤愈后被列入了现役名单。
值班表；值勤安排
Check the duty roster to see your weekend shift.
查看值班表看你周末的班次。
员工排班表
The manager updated the staffing roster for next month.
经理更新了下个月的员工排班表。
球队名单；队伍名单
Her name was removed from the team roster.
她的名字被从球队名单上移除了。
在名单上；在排班表上
Is John on the roster for this weekend's game?
约翰在本周末比赛的名单上吗？
不在名单上；被移出名单
He was taken off the roster after the injury.
他受伤后就被移出了名单。
满员名单；完整阵容
The team has a full roster this season.
这个赛季球队名单满员。
Use roster naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 roster 联想成 poster（海报）换首字母 r：排班表/名册就像贴在墙上的名单海报。
语域：neutral 常见场景：workplace scheduling、sports team lists、official registers (e.g. military, school) roster 通常为中性词，多用于工作排班、体育队伍名单或正式名册（如军事、学校）等场景。职场里说“排班表”很常用，正式语境下也可指“花名册”，但日常随意对话中较少用到。
roster 是可数名词，指成员或名字的名单，常与介词 on 搭配使用。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.