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
  Abirchis a type of tall tree with thin branches.
• 杖笞
  The birchis a punishment in which someone is hit with a wooden stick.

双语例句

• The crag of birches running the sky's gray.
  一排桦树在灰色天空下闪过。
• 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。
• 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。
• Higher up were forests of white birches.
  再往高处去就是白桦林。
• 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。
• 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！
• 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。
• 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；
• Birches and oaks feathered the narrow ravines.
  桦树和橡树密生于狭谷中。
• A genus of trees of the family Betulaceae ( such as birches).
  桦木科的一个乔木属（例如桦树）。