“polar bear”的概念、定义、翻译、参考文献-科学参考

单词	polar bear
释义	polar bear [`pō·lǝr ´ber] ^{VERTEBRATE ZOOLOGY} Thalarctos maritimus.A large aquatic carnivore found in the polar regions of the Northern Hemisphere.
随便看	four-vector potential four-velocity four-way dip four-way reinforcing four-way switch four-way valve four-wheel drive four-wire circuit four-wire line four-wire repeater four-wire subscriber line four-wire terminating set fovea fovea centralis foveal vision foveola foveolate fowan fowl Fowler-DuBridge theory Fowler function fowlerite fowl pox ottoman otto of rose oil

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。