From the methanol - sewage sludge - enrichment culture one methanosarcina, two vibrios and one bacteroid have been isolated.经对该富集培养物的分离培养,已分离出4株厌氧细菌,其中一株为甲烷八叠球菌, 两株为弧菌,一株为杆菌....
Please don't trample on the azaleas.请勿踩踏杜鹃花。Don't trample mud from your shoes on to the floor; I've just this minute swept it.不要把你鞋上的泥踩在地板上, 我刚刚才扫过地.Don't trample on the grass.勿踏草地.To trample upon pra...
I'm Claudia Polley with the news headlines.我是克劳迪娅·波利，下面是新闻提要。Ancient GREece produced many well - known historians such as Herodotus, Thucydides, Xenophon, such as Polley than Oslo.古代希腊产生了许多著名历史学家,如希罗多德 、 修昔底德 、 色诺芬 ...