pa.le.o.bot.a.nyn.(名词)The branch of paleontology that deals with plant fossils and ancient vegetation.史前植物学:古生物学的分支,研究植物化石以及古代植被【引伸】pa.leobotan.icpa.leobotan.icallyadv.(副词)pa.leobot.anistn.(名词)