CCH

例句：

1. 1. The research on CCH has been a hot topic in the field of environmental science.
   关于CCH的研究在环境科学领域一直是一个热门话题。
2. 2. The new drug CCH is expected to be effective against cancer.
   新药CCH预计将对癌症有效。
3. 3. The team successfully synthesized CCH, which has broad application prospects in the field of materials science.
   该团队成功合成了CCH，它在材料科学领域具有广泛的应用前景。