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- Work areas were not sharply demarcated but extremely fluid and changing. 工作范围并无明显区分，但流动性极大。
- The ulcer is shallow and sharply demarcated, with surrounding hyperemia. 溃疡表浅、边界清晰，周围有充血。
- Smaller, more sharply demarcated ulcers are more likely to be benign. 小的有明显分界的溃疡很可能是良性的。
- The tumor is sharply demarcated from the surrounding renal parenchyma as can be seen in this low power scan of the glass slide. 低倍镜下可见肿瘤与周围肾实质之间有着明确的分界线。
- Here are two more sharply demarcated "punched out" ulcerations of the mid esophagus in an immunocompromised patient with herpes simplex infection. 单纯疱疹病毒感染的免疫抑制病人，食管中部有两个边界明显的穿孔性溃疡。
- The lower esophagus here shows sharply demarcated ulcerations that have a brown-red base, contrasted with the normal pale white esophageal mucosa at the far left. 食管下段显示有边界清楚的溃疡，与左边正常的苍白色食管黏膜相比较，溃疡基底部呈红褐色。
- A clinical observation showed a slightly elevated and sharply demarcated plaque with vertical vessels seen on end straddling the upper cornea and superior limbus of left eye. 病患61岁男性，左眼轮部及角膜上半部长一片稍呈隆起的斑块，病理切片检查证实为结膜上皮原位癌已侵犯角膜。
- The esophageal squamous epithelium here is from a sharply demarcated "punched out" ulcer from Herpes simplex virus infection. 单纯疱疹病毒感染的食管鳞状上皮处形成了境界清楚的溃疡穿孔。
- The esophageal squamous epithelium here is from a sharply demarcated "punched out" ulcer from Herpes simplex virus infection.Note the mauve to pink intranuclear inclusions. 食管鳞状上皮可见由单纯疱疹病毒感染引起的境界清楚的溃疡，注意呈紫红色到粉红色的核内包涵体。
- White purulent discharge was seen on the surface of many of the nodules.The lesions were sharply demarcated, firm, tender, and surrounded by small satelite nodules. 皮损边界清楚，质地较硬，有压痛，部分结节周围见到卫星样小结节。
- Microscopically, the ulcer here is sharply demarcated, with normal gastric mucosa on the left falling away into a deep ulcer whose base contains infamed, necrotic debris. 显微镜下所示的是胃溃疡的黏膜面与正常的胃粘膜分界清楚，胃溃疡包含了较深的渗出层和坏死层。
- There is no sharp demarcation between these two types. 在这两种结构之间，没有明显的分界。
- All gastric ulcers are biopsied, since gross inspection alone cannot determine whether a malignancy is present. Smaller, more sharply demarcated ulcers are more likely to be benign. 胃镜小溃疡。所有的胃溃疡都作了活组织检查,因为仅肉眼检查不能决定是否是恶性。小的有明显分界的溃疡很可能是良性的。
- A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn. 不定胚与合子胚之间不能划分出明显的界限。
- He was sharply reprimanded for his negligence. 他因玩忽职责而受到严厉的申斥。
- Compare the image shown here on the left, which has a gradual change from light to dark, with the image on the right, which clearly shows a sharp demarcation from light to dark. 比较显示的左侧的图像，它有一个从亮到暗的一个渐变的改变，在右侧的图像，它明显地在从亮到暗的地方有一个划分。
- The playing area is demarcated by a white line. 运动场地以白线为界。
- Her white face and her dark dress contrast sharply. 她洁白的脸和她黑色的衣服形成强烈的对比。
- A car swung sharply round the corner. 一辆汽车在街角急转弯。
- The land dips sharply to the south. 那块地向南急速倾斜。
