这个国家公园拥有五十多条瀑布，其中一些落差超过八十米。
The national park contains over fifty waterfalls, some of which reach heights of more than eighty metres.
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Some英 /sʌm/|美 /sʌm/
of英 /əv/|美 /əv/|英 /əv/|美 /əv/
Which英 /wɪtʃ/|美 /wɪtʃ/
解释
some of which 引导非限制性定语从句。which 指代先行词 waterfalls。从句由逗号引入，对主句信息做补充说明。
The national park contains over fifty waterfalls, some of which reach heights of more than eighty metres.
some of which 引导非限制性定语从句。which 指代先行词 waterfalls。从句由逗号引入，对主句信息做补充说明。