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a convocation of [group]
a convocation of ... 表示“一群被召集的人”，强调集合体。
A convocation of students gathered in the square.
一群学生聚集在广场上。
集会；正式会议
convocations — plural of convocation
先理解核心含义，再看它在真实句子里的用法。
集会；正式会议
a group of people gathered together for a formal meeting, especially in response to a summons
A convocation of students gathered in the square.
一群学生聚集在广场上。
指被召集的人群或会议本身。
通过传唤召集或集合的行为。
The act of calling or assembling by summons.
集会或会议。
An assembly or meeting.
教士代表商议教务的会议。
An assembly of the clergy, by their representatives, to consult on ecclesiastical affairs.
大学处理事务的学术集会。
An academic assembly, in which the business of a university is transacted.
The university held its annual convocation in the main hall, where students received their certificates.
大学在大会堂举行了年度集会，学生们在那里领取了证书。
A convocation of teachers met to discuss the new grading system.
教师们召开了一次会议，讨论新的评分制度。
The dean called a convocation to announce the changes to the academic calendar.
院长召集了一次会议，宣布校历的变动。
a convocation of ... 表示“一群被召集的人”，强调集合体。
A convocation of students gathered in the square.
一群学生聚集在广场上。
the convocation of ... 表示“召集”的动作，而非集会本身。
The chair announced the convocation of the committee.
主席宣布了委员会的召集。
表示“在集会上”时，介词用 at。
The decision was announced at the convocation.
这一决定在集会上宣布。
Not this
The committee convocationed a special meeting.
Use this
The committee convened a special meeting.
convocation 是名词，表示“集会；召集”，不能直接加 -ed 当动词用。中文“召集”虽是动词，但英语对应的是 convene/call/hold。把 convocationed 改成 convened 后，句子才是“主语 + 及物动词 + 宾语”的正确结构。
Not this
All faculty are required to attend at the convocation.
Use this
All faculty are required to attend the convocation.
attend 是及物动词，后接活动或会议作宾语时不需要介词 at。错误句中的 at 是受 be present at 这一搭配的影响而误加。删去 at 后，attend the convocation 才符合 attend + 宾语的正确用法。
Not this
We had convocation in the main hall.
Use this
We had a convocation in the main hall.
convocation 指具体的“集会”时是可数名词，单数前需要不定冠词 a/an。汉语没有冠词，学习者容易漏掉。加上 a 后，have a convocation 才符合英语可数名词单数的要求。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
毕业典礼；学位授予仪式
The graduation convocation will be held in the main auditorium.
毕业典礼将在主礼堂举行。
大学校务会议；大学全体会议
The university convocation voted to approve the new curriculum.
大学校务会议投票批准了新课程。
特别会议；临时召集的集会
A special convocation was called to honor the visiting scholar.
为表彰来访学者而召开了一次特别会议。
年会；年度大会
The society's annual convocation attracts members from across the country.
该协会的年度大会吸引了全国各地的会员。
集会演讲；会议致辞
She delivered the convocation address at the opening ceremony.
她在开幕式上发表了集会演讲。
第一日你们当有圣会，第七日也当有圣会。
The university's annual convocation brings together students and faculty to celebrate the start of the academic year.
大学一年一度的集会将师生聚在一起庆祝学年的开始。
Use convocations naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记作“con+voc+ation”，联想“同(con)一个声音(voc)喊来开会”，即召集、集会。
语域：formal 常见场景：academic ceremonies、university assemblies、official or church meetings convocation 属于较正式用词，通常指大学典礼、正式集会或宗教会议，也可指召集行为。日常口语中比较少见。
以上词都以 -ation 结尾，重读音节中的元音为 /eɪ/，后接 /ʃən/，与 convocation 押韵。注意形近但读音不同的词：convection /kənˈvekʃən/ 和 conviction /kənˈvɪkʃən/ 的 -ction 读作 /kʃən/，不要混淆。
Dictionary facts from ECDICT, WIKTIONARY.