fermentersCOCA¹⁴⁶⁰³³BNC⁹¹⁵¹⁷⁺⁸ 基本例句 化发酵罐；发酵器原型fermenter的复数 As all B12 comes from bacteria, the absence of insects is readily compensated for by using B12 produced by bacteria in commercial fermenters and used in fortified foods and supplements. 由于所有 B12都来自细菌，缺了昆虫很容易由强化食品和补充剂中商业发酵细菌产生的 B12来弥补。 yeeyan