The Christmas tree usually made by green firry and sypress.This is a symbol of longevity.

圣诞树一般是用杉柏之的常绿树做成，象征生命长存。

Suber flushes early and pupas are already found at a time when the caterpillars on ilex are just hatching.

栓皮栎，当常绿树的幼菌虫还处在孵阶段时，栓皮栎的已成了蛹。