菌根起着固氮和贮氮的作用.Mycorhizae perform the function of nitrogen fixation and storage.在生境中用带有合适菌根真菌的土壤接种.The site had been inoculated with soil containing suitable mycorrhizal fungi.大青杨VA菌根生理生态学研究.Ecological and Physiological Re...
Surgeons are performing operations in tents by torchlight.医生正在帐篷里借着火把的光做手术。The torchlight swung across the little beach and out over the water, searching.手电筒的光在小海滩上扫过，而后照向水面搜索着。The luminous green eyes caught the light, t...
雷契先生在头顶上大叫,说他已经看到前面一无阻碍的水面了.Mr. Riach announced from the top that he saw clear water ahead.这将使黑人有机会在不受种族主义阻碍的条件下生活.This would give black people the opportunity to live unhampered by racism.实际上,我们必须让这些市场在不受这些阻碍的情形下自由运作.Th...