birches
英 [ˈbɜːtʃɪz]
美 [ˈbɜrtʃɪz]
n. 桦树; 白桦树; 桦木; 用桦木条抽打(作为惩罚)
birch的复数
柯林斯词典
- 桦树；白桦
A birch is a type of tall tree with thin branches. - 杖笞
The birch is a punishment in which someone is hit with a wooden stick.
双语例句
- Do say yes: to that clump of birches at the turn! '
说可以吧！就走到转弯地方那丛桦树那儿！ - Virginia's Shenandoah Valley is ablaze with fall colors& the yellow and orange of poplars, birches, striped maples, and hickories, punctuated with the red of sugar and red maples.
弗吉尼亚州谢南多厄流域色彩斑斓的秋景&火红的糖枫和红枫点缀着金黄和橙色的杨树、桦树、条纹枫树和山胡桃树。 - The broad-leaf trees are members of flowering plants, including the oaks, elms, maples, birches, and beeches.
阔叶树属于显花植物，包括橡树、榆树、枫树、枞树和桦树。 - Small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation.
原产于欧洲但定居在美国东部的黑色小叶蜂；幼虫在桦树的叶子上钻洞导致严重的落叶发生。 - The Nordic birches have long been of special interest.
北欧的桦树很久以来就特别引人注目。 - The trees were silver birches, four of them.
树是银色树皮的桦树，一共四棵。 - A genus of trees of the family Betulaceae ( such as birches).
桦木科的一个乔木属（例如桦树）。 - The crag of birches running the sky's gray.
一排桦树在灰色天空下闪过。 - Birches and oaks feathered the narrow ravines.
桦树和橡树密生于狭谷中。 - As you get closer to the Russian border, the forests of pines and birches get thicker and you come across frequent examples of Russian culture and art.
在与俄罗斯的交界处，松树林和白桦林越来越浓密，浓郁的俄罗斯风格的文化和艺术也随之而来。 - Within the next few years, many forest researchers believe, companies will be totally revamping arboreal genomes, creating wholly new kinds of trees short, fat, almost branchiess that will look nothing like the pines and birches in suburban backyards.
许多森林研究人员相信在未来的几年内，林业公司会完全改变乔木的基因组，创造出全新的树种一矮小、硕、枝一和郊区场院里看到的松树及桦树毫无相似之处。 - Higher up were forests of white birches.
再往高处去就是白桦林。 - Then the transgenic birch was classified according to the T-DNA copy number. 3. Improved inverse PCR ( iPCR) method was utilized and 12 T-DNA flanking sequences ( included right border and left border) of the transgenic birches were cloned. All sequences were analyzed.
利用改良的反向PCR（InversePCR）方法，克隆了12个转基因白桦T-DNA旁侧序列，并对旁侧序列测序分析，初步揭示T-DNA整合的旁侧序列特征：富含AT碱基，含量都在60%以上； - The birches with a better growth and higher wood basic density which of the fiber traits and the wood chemical compositions was favorable to papermaking.
其白桦生长状况较好，木材基本密度较大，木材的纤维性状和化学成分含量最有利于造纸。