birch
He used a piece of birch to make a small boat.
他用一块桦木做一只小船。
—— 给力词典精选Only Poplar and Birch log shipments are up for the year.
只有杨木和桦木的原木出货高于去年。
—— 给力词典精选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。
—— 给力词典精选The beating and papermaking characteristics of short rotating birch pulp were studied.
本文研究了短周期桦木漂白硫酸盐浆的打浆造纸特性。
—— 给力词典精选PHYLOGENY AND PHYTOGEOGRAPHY OF THE BETULACEAE ( CONT. )
桦木科植物的系统发育和地理分布 ( 续 )
—— 给力词典精选