“Arctic Circle”的概念、定义、翻译、参考文献-科学参考

单词	Arctic Circle
释义	Arctic Circle [¦ärd·ik `sǝr·kǝl] ^GEODESY The parallel of latitude 66°32'N (often taken as 66¹/₂°N).
随便看	handhole handie-talkie hand jig hand lance handle hand lead hand length hand lens handler hand level handling time hand loader hand-operating device handpicking hand punch handrail hand-rammed hand-reset hand rule hand sampling handsaw Hand-Schüller-Christian disease handset handset bit handshaking

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