1. Paleobotany is the study of ancient plants and their interactions with the environment.
古植物学是对古代植物及其与环境的相互作用的研究。
2. The paleobotany department at the museum houses a collection of fossilized plants from different geologic periods.
博物馆的古植物学部门收藏有来自不同地质时期的化石植物。