Betula

常见例句

Betula pendula × B. pendula var. cardica Sok.
欧洲白桦
Studies on the Chemical Constituents of the Leaves of Betula platyphylla Suk.
白桦叶化学成分的研究
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。
Diffuseporous wood is seen for example in yellow birch (Betula lutea).
加拿大桦（黄桦）的木材即为散孔材。
Carbon storage of and Betula albo-sinensis were higher than other three types.
锐齿栎、油松主要分布于中低海拔地带；
Toadstools were collected from a range of pure stands of Betula and Pinus both in Britain and the U.S.A.
从英国和美国一系列桦木和松树纯林中收集蕈体。