pref.表示“大,一百万倍”之义; 兆
1. (加在计量单位之前)表示“兆”,“百万”
Mega- is added to nouns that refer to units of measurement in order to form other nouns referring to units that are a million times bigger.
e.g. ...a 100 megaton explosion.
100兆吨级的爆炸
e.g. ...a two thousand megawatt surge in electricity.
2,000兆瓦的电流
2. (与名词、形容词构成合成词,强调大小、性质或重要性)
Mega- combines with nouns and adjectives in order to emphasize the size, quality, or importance of something.
公共查询·英语单词
e.g. Now he can begin to earn the sort of mega-bucks he has always dreamed about.
现在他可以开始挣他一直梦寐以求的大钱了。
e.g. ...a Hollywood mega-star.
好莱坞的超级大腕