他们需要召集足够的人组成祈祷班（minyan）才能进行这项仪式。

They needed to gather enough people to form a ___minyan before performing the ritual.

在犹太教堂里，至少需要十位成年男子才能组成一个正式的祈祷集会。

In the synagogue, at least ten adult men are required to form a proper ___minyan for prayer.