导读：1 beaver是一种半水栖的哺乳动物，属于鼠科，也被称为河狸。2 beaver的读音为 [biv]，读作“比弗”。3 beaver常见于北美和欧洲地
1. beaver是一种半水栖的哺乳动物，属于鼠科，也被称为河狸。
2. beaver的读音为 [biv]，读作“比弗”。
3. beaver常见于北美和欧洲地区，它们生活在水边或湖泊附近的湿地环境中。它们通常会用自己的牙齿咬断树木来建造水坝和巢穴，以便在水中生活。它们还会利用树枝和泥土来修补坝堤，以保持水位稳定。除此之外，beaver也是一种重要的森林工程师，它们通过建造坝堤改变了河流和湖泊的形态，影响了整个生态。
4. 例句1：Beavers are known for their impressive dam-building skills.
5. 例句2：The beaver's fur is highly valued for its warmth and water resistance.
6. 例句3：Beavers have a strong sense of family, with both parents taking care of their young together.
7. 例句4：The beaver's teeth never s growing, so they constantly need to gnaw on things to keep them at a manageable length.
8. 例句5：Beavers are considered a keystone species, as their presence has a significant impact on the surrounding environment.
9. 组词：beaver dam (水坝), beaver lodge (巢穴), beaver pelt (皮毛), beaver tail (尾巴)
10. 中英文对照：beaver - 河狸
11. 简单总结：beaver是一种半水栖的哺乳动物，它们以建造水坝和巢穴来改变生活环境，被称为森林工程师。它们的牙齿和皮毛都具有重要的功能，而且具有强烈的家庭观念，被视为生态中不可或缺的物种。