The fire uses these smaller trees as a step ladder to reach the higher canopy of old lodgepole pines.
火焰通过这些作为阶梯的小树蔓延到更高的黑松树冠。
TED-Ed(视频版)
Flames ravage the thick understory provided by species like douglas fir, a shade-tolerant tree that's able to thrive under the canopy of lodgepole pines.
火焰燃烧着底层茂密灌木,如花旗松,这是一种能在树荫下茁壮成长的树,它们长在黑松树的树荫下。
英语百科
Pinus contorta
Pinus contorta, with the common names lodgepole pine and shore pine, and also known as twisted pine, and contorta pine, is a common tree in western North America. It is common near the ocean shore and in dry montane forests to the subalpine, but is rare in lowland rain forests. Like all pines (member species of the genus Pinus), it is an evergreen conifer.
近义、反义、联想词
近义词
n.
pine, pine tree, true pine
英英词典
lodgepole pine n.
shrubby two-needled pine of coastal northwestern United States; red to yellow-brown bark fissured into small squares