The chosen grasses also thrive in a range of climates. 这些草本植物在一些环境条件下生长旺盛。
The scientists replicated the conditions of the proximal stomach.They then measured the formation of nitrosamines, oxygen and nitric oxide. 科学家在体外模拟出胃近端的环境条件，然后测量生成的亚硝胺，氧和一氧化氮。
