v.传唤，传讯(出庭),召唤,召集，召开(会议)
summon的过去分词和过去式

原形：summon第三人称单数：summons过去式：summoned过去分词：summoned现在分词：summoning

The goverment summon men to defend their country.
政府号召人们保卫国家。
I am summoned as a witness of that case.
我被传唤为该案的证人。
This African country summoned assistance yesterday.
这个非洲国家昨天呼吁援助。
He summoned all his courage to ask her out on a date.
他鼓足了勇气邀请她出去约会。
The teacher summoned the student to her office for a discussion.
老师叫学生到她的办公室进行讨论。
The king summoned his knights for a crucial battle.
国王召集了他的骑士参加一场关键的战斗。
She summoned a taxi to take her to the airport.
她叫了一辆出租车送她去机场。
The police summoned backup when the situation escalated.
当情况升级时，警察呼叫了增援。
The doctor summoned an ambulance as the patient's condition worsened.
随着病人病情恶化，医生叫来了救护车。
The boss summoned us for an emergency meeting.
老板召集我们开了一个紧急会议。
The witch summoned spirits from the underworld for her spell.
女巫召唤了来自阴间的灵魂来施咒。
The mayor summoned a press conference to address the crisis.
市长召开了新闻发布会来处理危机。
The teacher summoned the entire class to the front of the room for a group photo.
老师叫全班同学到教室前面合影。