betula

例句:

• Trees and shrubs that do well in moist conditions include salix, cornus, betula, sambucus, liquidambar, ash and amelanchier.
  来自BBC
• Arimatsu economic timber , Parkinson , Chatham , Betula, Tilia, Green and other species.
  经济用材林有松 、 柏、漆、桦 、 椴 、 青等树种.
  
• The microwave - assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.
  利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.
  
• For your career, Betula forest without relying on heaven - sent, mainly by self - seeking.
  适合你的事业, 白桦林不靠天赐, 主要靠 自我 寻找.