单词：balsam fir
balsam fir的用法和样例：
例句
- The narrow rings appeared only after wolf populations decreased, allowing a greater number of moose to survive and eat more balsam firs.那些比较小的年轮只出现在狼群数目下降之后，允许一个比较大数目的驼鹿去生存和吃更多的香脂冷杉。
- canada balsam加拿大香胶,加拿大屎,冷...
- Abies balsamea香脂冷杉
单词：balsam fir 相关文章
7 植物 creature 生物 plant 植物 grass 草本植物 tree 木本植物 annual ring 年轮 bamboo 竹子 认识植物 root 根 stem 茎（植物） stalk茎（草或花） trunk 干 branch 树枝 bought 粗枝 twig 细枝 leaf 叶子 fruit 果实 core 核 seed 种子 bud发芽 flower 花朵 bloom
英文单词书
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