Polar Star

英美

释义
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- 北极星；是美国制造的破冰船
英英释义
Noun:

the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it
例句
临近单词

polarin polar polar moment of inertia Polarimetric Scattering polarographic apparatus polar functional groups polari-zation current polar projection method polar aeolotropic board polar coordinate mehtod polar desert vegetation Polar Maritime Air Mass

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