单词pin oak
网络: 针栎；橡树；岩生栎
To measure the degree of change in the lignin, they first fed pin oak wood to Asian longhorned beetles.
为了衡量程度的变化，木质素，他们首先喂针橡木木材，亚洲天牛甲虫。
For example, the pin oak tree might be too narrow a biological topic unless one incorporates the tree"s migration to Australia.
例如，单纯以针栎树为主题范围可能太狭窄，但可以将讨论结合针栎树如何迁徙到澳洲。