• 1. opaque spot: 不透眠点 | 不透明杂质
• 2. glandular opaque spot: 腺状点
• 3. enamel opaque spot: 釉质白垩斑 | 釉白斑

• 1.Objective: To prevent enamel opaque spot after orthodontic etching.
  目的：预防口腔固定正畸酸蚀牙釉白斑的发生。
  dict.yoduao.com
• 2.Conclusion: Fluoride treatments can reduce the incidence rate of enamel opaque spot after orthodontic etching.
  结论：氟化处理可降低口腔固定正畸患者釉白斑的发生率。
  dict.yoduao.com
• 3.SpotCloud differs from other spot markets in that it is "opaque" : the firms offering capacity do not have to reveal their identity.
  云计算不同于其他新兴市场，因为他是透明的，提供计算能力的公司没有隐藏自己的身份。
  dict.yoduao.com

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