10.The principal trees are the yellow and sugar pines, digger pine, incense cedar, Douglas spruce, silver fir, the California and golden-cup oaks, balsam cottonwood, Nuttall's flowering dogwood, alder, maple, laurel, tumion, etc.
主要
木有黄松和糖松、挖掘松、香柏、花旗云杉、银杉、加州橡
和金杯橡
、香脂白杨、纳托尔山茱萸、桤木、枫
、月桂
、桤木等。机翻