1·To where it bent in the undergrown.
直到它消失在丛林深处。
2·Lowstand System Tracts of Early and Metaphse Jurassic Period was undergrown, of which Transgressive Systems Tract and Highstand Systems Tract made up.
早、中侏罗世低位体系域不发育,由海进体系域与高位体系域两部分组成。