Autotrophic mutants were prepared from six different stocks of the homoictic group.自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.The cell lost its autotrophic character and became dependent on added chemical energy sources.细胞丧失了自养的特性,变成依...
We had made arrangements to stop by her house in Pacific Grove.我们已安排好去造访她位于帕西菲克格罗夫的家。They clambered up the stone walls of a steeply terraced olive grove.他们手脚并用，爬上了一片成陡直梯田状的橄榄林外面的石头围墙。a grove of birch trees白桦树丛...