英语短语词组词汇permafrost的音标、释义、翻译、用法及例句-英语短语词组词典

短语	permafrost
释义	permafrost['pə:məfrɔ:st] n.永冻土，永冻层；永久冻土 [亦作 pergelisol]
随便看	optical memory optical memory card optical meteor optical microscope optical microscopes optical microscopy optical mixtures optical mode optical model optical modulator optical monochromator optical null method optical parallax optical parametric amplification optical parametric oscillator optical parametric oscillators optical path optical phenomena optical phonon optical printer optical printers optical processor optical profilometer optical projector optical properties

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。