| 释义 |
jack pinenounA small, hardy North American pine with short needles.- Pinus banksiana, family Pinaceae.
The forests include such conifers as red spruce, black spruce, white spruce, balsam fir, red pine, jack pine, eastern white pine, tamarack, eastern white cedar, and eastern hemlock....- Most of the cones produced by jack pine and lodgepole pine look like miniature hand grenades - and are just about as tough.
- We were, after all, making our way through a wilderness of black spruce, jack pine and balsam fir that stretched away on either side of the river for a total of 12,000 kilometres, forming a green mantle around the entire Arctic icecap.
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