出国留学网托福栏目的小编给大家带来“托福阅读长难句解析之昆虫的数量”，以下是详细内容，希望对同学们有所帮助!
The fact that half of the known species are thought to inhabit the world's rain forests does not seem surprising，considering the huge numbers of insects that comprise the bulk of the species.
(同位语从句fact that…;定语从句that comprise the bulk…)
【译句】考虑到组成大部分物种的昆虫的巨大数量，认为半数的已知物种栖息在世界的雨林中这一事实看起来并不令人吃惊。
分句1：The fact does not seem surprising.
分句2：that half of the known species are thought to inhabit the world's rain forests
分句3：considering the huge numbers of insects
分句4：that comprise the bulk of the species
分句1中嵌套着分句2，分句2解释说明分句1的主语the fact, 是同位语从句;分句3是主句的状语，分句4是定语从句，修饰分句3的the huge numbers of insects
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