an evergreen tree (= one that never loses its leaves) that has leaves like needles and grows mainly in western parts of North America

The seeds of lodgepole pines only germinate after going through a fire. 黑松的种子只有在经过火烧后才会发芽。

Lodgepole pine forests throughout the Rockies suffer frequent beetle infestations. 整个落基山脉的黑松林经常遭受大规模的甲虫侵扰。