An insect that feeds on hemlocks ; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree .
以铁杉为食的昆虫；其卵囊为有绒毛的小白球，形似圣诞树上的人造雪。
It snaked around the Sitka spruces and the hemlocks , the yews and the maples .
它曲折着绕过一棵棵西德加云杉和铁杉，一棵棵紫杉和枫木。
hemlockshemlockshemlocks