音标: 英 [ˌdɪskən'fɜ:m] 美 [ˌdɪskən'fɜ:m]
1. Drawn from sediment strata, should confirm or disconfirm the presence of bacterium able to use ammonium as a main oxygen source.
从沉积层中提取 应确认 是否存在细菌 能够使用氨作为主要的氧源
