- 重点词汇
- saysv.说，讲(say的第三人称单数);
- Jeffreyn.杰弗里（男子名）;
- unhealthyadj.不健康的;对健康有害的;危险的;反常的;
- discolorationn.变色，褪色，污染;
- askvt.& vi. 问;要求;请;询问;请求;征求;期望;要价;恳求(给予);请求允许
- himpron. 他;（书面英语中泛指人）他，她（有些人不喜欢这种用法，更倾向于使用 him or her 或 them）;它（指雄性动物）; （一些宗教中指）上帝
- hepron.他，它;一个人;
- leavesn. 树叶，花瓣;(leaf的复数);页( leaf的名词复数 );叶子;有…状叶的;金属薄片;
- onprep. (覆盖、附着)在…上;由…支撑着;在(运输工具)上;在（某一天）;就在…之后;关于（事或人）;（身上）带着;为（某团体或组织）的一员;吃;（表示方向）在，向，对;在，接近（某地）;根据;以…支付;通过;与…相比
- rosen. 玫瑰;粉红色;蔷薇（花）;粉红色的葡萄酒;
- 相关例句
Low rate of Juice extracting and discoloration were the major problem in strawberry processing.
制汁得率低和色泽改变是草莓汁生产的技术难题.
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用化学防腐剂冲洗或覆以一层防腐物以防 ( 照片 ) 褪色.
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云南铁杉在干燥过程中的变色问题是困扰许多木业企业的一个技术难题.
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结果合适的稳定剂大幅度延缓了复方水杨酸洗剂的氧化变色速度.
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Frequently, early in the disease, the skin is discolored by a marked erythema.
常在疾病早期, 皮肤因有明显的红疹而变色.
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The goods have been discolored and heavily saturated by rain that they are unsaleable.
货物被雨水严重浸湿和污染,无法销售.
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We saw his lips were puffed both eyes were discolored. His face discolored and swollen.
我们看见他嘴唇肿起,两眼充血,脸庞青肿.
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Notice the canals in your community : do they appear healthy or are they smelly and discolored?
请关注你周围的河沟: 河水是正常的还是有臭味并且变了颜色?
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Charles looked round him at the dingy smoke-discolored walls, the worm-eaten staircase.
查尔斯环视被烟熏黑的墙壁和虫蛀的楼梯.
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The mechanism of the improvement and discoloring the adsorbents andthe additive was elucidate.
从理论上阐述了提高粉煤灰基质多孔吸附材料吸附、脱色性能的机理.
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