balsam spruce

• 洛杉矶冷杉

balsam spruce的用法和样例：

例句

1. The growth of spruce and fir needles is determinate.
   云杉和冷杉的针叶生长是有限的。
2. In the island's food chain, balsam firs are eaten by moose, which, in turn, are eaten by wolves.
   在这座小岛上存在这样的一种情况，麋鹿吃胶冷杉，然而狼同时以胶冷杉和麋鹿为食。