您要查找的是不是：
- Peter had his head in a tar barrel sure enough. 不出所料，彼得陷入了困境。
- Alder trees belong to the birch family. 赤杨属于桦木科。
- The birch has smooth bark and slender branches. 桦树有光滑的皮和细长的枝。
- Tar is much used in making modern roads. 修建现代公路多用焦油沥青。
- birch tar 桦木焦油
- birch tar oil 桦焦油,桦木焦油
- Should we bring back the birch as a punishment? 我们应该恢复用桦条抽打的体罚吗?
- birch tar oil, rectified 桦木焦油
- birch tar(oil) [化] 桦木焦油
- rectified birch tar oil [医] 桦木[焦]油
- A criminal might receive twelve strokes of the birch. 罪犯可能要挨十二鞭。
- We found that birch bark could serve as paper. 我们发现桦树皮可以作纸用。
- They will report on the experiments with coal tar. 他们将汇报煤焦油的试验情况。
- This kind of tobacco has a high tar content. 这种香烟焦油含量很高。
- He switched the boys with a birch stick. 他用桦木条鞭笞那些男孩。
- He used a piece of birch to make a small boat. 他用一块桦木做一只小船。
- The growing birch tree exfoliated excess bark. 这正成长的桦树剥落了过剩的树皮。
- Lignite oil is creosote derived from lignite tar. 褐煤油是从褐煤中得来的防腐油。
- Alaskan birch with white to pale brown bark. 阿拉斯加的一种桦树,白色至浅棕色树皮。
- An unruly child who was thrashed with a birch cane. 一个任性的孩子吃了一顿桦树棍
