同根派生 Beaver State相关词英汉例句用作名詞 (n.)And Oregon, "The Beaver State," borrows its nickname from the large, flat-tailed rodent that uses trees to build dams.俄勒岡州,也成爲河狸之州,從一種用樹木建大垻的大尾巴齧齒動物得來的。Beaver State更多例句