研讨会吸引了二百多名参与者，其中一些是从海外远道而来的。
The seminar attracted over two hundred participants, some of whom had travelled from overseas.
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Some英 /sʌm/|美 /sʌm/
of英 /əv/|美 /əv/|英 /əv/|美 /əv/
whom英 /huːm/|美 /hum/
解释
some of whom 引导非限制性定语从句。先行词 participants 是人，关系代词用 whom。从句充当主语，说明[其中一些人]。
The seminar attracted over two hundred participants, some of whom had travelled from overseas.
some of whom 引导非限制性定语从句。先行词 participants 是人，关系代词用 whom。从句充当主语，说明[其中一些人]。