如何使用 "alder" 造句

1. He gave john some alder bark .
他给了约翰一些桤木树皮。
2. They studied how their ancestors pounded fern roots into flour , made snowberries into medicine and smoked salmon over alder wood fires .
他们学习了自己的祖先如何将蕨类植物的根捣成粉,将白浆果制成药物以及如何在燃烧的桤木火焰上熏制鲑鱼。
3. A few scrubby trees , like red alder , have re-established themselves , and ants , frogs , meadowlarks , beavers and other species have moved in .
一些矮灌木丛,像红桤木很快又长起来了,蚂蚁青蛙草地鸬海狸还有其他一些物种也都迁进来了。
4. An alder is reflected in the water
倒映在水下的一棵赤杨影像
5. Mr alder declined to say when the guidelines would be out .
欧达礼拒绝透露指导方针何时出台。