英语词汇protoplanetary nebula怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protoplanetary nebula
释义	protoplanetary nebula 简明释义原行星云
随便看	sailmaker's tools sailmaker's whippine sailmaker's whipping sailmaking sailmaking-knot sail near the wind sail near to the wind sail needle sail number sail-off sail off Sailolof sail on sail on a bowline sail on an even keel sail one's own boat sail on one's bottom sail on the port tack sail on the starboard tack sailor sailor blouse sailor boy sailor cap sailor cap sailorchest

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。