沥青质含量增高时,原油质量变坏。
Asphaltene content increased, the deterioration of oil quality.
草原退化就是指草地植物数量减少、质量变坏以及生境条件劣化的草地。
Grassland deterioration results in reduction of number of plant species, worsening of forage quality and ecological conditions of the grassland.
因此,如果始终由黄色的酵母引起发霉的, 那么茶饼或是不成熟的或是质量变坏。
Thus, if you smell moldy (yellow yeast) all the time, then this indicates that cake is either immature or of bad quality.
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