英语词汇constant-level balloon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	constant-level balloon
释义	constant-level balloon (搜集大气层资料的)定高气球 [亦称作 constant-pressure balloon]
随便看	optical soundtrack optical spectrograph optical spectrometer optical spectroscope optical square optical storage optical superposition principle optical surface optical system optical systems optical theorem optical thickness optical tooling optical tracking optical train optical transition optical tweezers optical twinning optical type font optical wand optical waveguide optical waveguides optical wedge optical window optic angle

英汉双解词典包含483723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。