英语词汇up to 300 μg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	up to 300 μg
释义	up to — 到 adv • 以至 • 以致 • 以至于 up — 向上 • 攲 up n — 起伏 n up to prep — 及 prep
随便看	wind a watch wind away wind band wind barrier wind-based electricity wind bearing wind behavior wind belt wind blade wind blade manufacturing wind-blocking wind blowing windblown windblown dust wind-blown sand wind blows across wind board wind bobbin wind-borne wind-borne debris wind bracing windbreak windbreaker windbreaker jacket wind breeze

英汉双解词典包含2273206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。

up to —