各种树木
osier 紫皮柳树;
willow 垂柳;
birch 白桦;
maple 枫树;
sequoia 红杉;
fir 冷杉;
hemlock spruce 铁杉;
spruce 云杉;
yew 紫杉;
eucalytus 桉树;
ginkgo 银杏树;
holly 冬青;
coco 椰树;
pine 松树;
larch 落叶松;
cypress 柏树;
poplar 白杨
