Paintings must have rigid stretchers so that the canvas will be taut, and the paint must not deteriorate, crack, or discolor.
画必须有坚硬的画架，这样画布才会绷紧，而且颜料不能变质、开裂或变色。
Nevertheless, researchers have discovered that a process long known to discolor and toughen foods may also contribute to age related impairment of both cells and tissues.
然而，研究人员发现，一个长期以来众所周知的使食物变色和变硬的过程也可能与年龄相关的细胞和组织损伤有关。
Drying can be accomplished gradually, and tendencies to scorch and discolor are within control.
干燥可以逐渐完成，而且可以控制烘焦和变色的趋势。
It conducts heat very well, its enameled surface does not discolor foods, and it is easy to clean.
搪瓷铸铁很容易导热，搪瓷表面也不会使食物脱色，而且还很容易清洗。
UV resistant - does not discolor in the sunlight.
抗紫外线——日光曝晒下不易褪色。
UV resistant, does not discolor in the sun light.
抗紫外线，日光曝晒下不褪色。
Stainless steel, which is what Buck USES, does not discolor easily.
巴克使用的不锈钢并不容易变色。
The disease gets its name from streaks of yellow and white that discolor the leaves.
这个病疫得名于它会使玉米的叶子褪色，变成黄白色。
Outer fabric layer covers side frame, providing attractive shelter appearance. Will not discolor in sunlight.
外层织物包裹侧部结构，外观整洁美观，不易褪色。
Objective To investigate the hypoglycemic effects of extract of Potentilla discolor Bunge on experimental diabetes in rats.
目的探讨翻白草对实验性糖尿病大鼠的降血糖作用。
The dwarfing degree of SH interstocks could affect the discolor index and the contents of chlorophyll, amylum, and soluble sugar.
SH系中间砧的矮化程度影响红富士苹果叶片的变色指数以及叶绿素、可溶性糖、淀粉的含量。
They teach farmers, gardeners, and other plant growers how to fight viruses that can ruin a valuable crop or discolor a beautiful landscape.
同时传授农民、园艺工人和其他栽培人员如何对抗那些摧毁珍贵作物和美丽风景的病毒。
Objective To study Discolor Cinquefoil Herb on blood fat of hyperlipemia rats and rabbits.
目的探讨翻白草对高血脂大鼠和家兔的降血脂作用。
Objective To study Discolor Cinquefoil Herb on blood fat of hyperlipemia rats and rabbits.
目的探讨翻白草对高血脂大鼠和家兔的降血脂作用。
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