详细解释:pref. 在...下, 在...中, 副, 亚, 次, 不全
【医】 在下, 下; 不足, 不全; 次, 亚(化学)
英语解释：
名词 sub-:
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States同义词：bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep