paper birch

常见例句

双语例句

• How were paper birch and Douglas fir communicating?
  纸皮桦和花旗松到底是怎么交流的呢？
• This clump of paper birch trunks was backlit by a blaze of reds and yellows.
  这一堆纸桦树的树干是由红色和黄色的火焰来作为它的背光。
• Paper birch is the best of the hardwood, often running in bursting strength up to 80% and in tearing strength up to 90% of spruce pulp.
  白桦通常是比较适合的阔叶木，其浆料的撕裂度可以达到云杉浆的80%，耐破度可以达到云杉浆的90%。
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