ICHCA

例句：

1. 1.I'm not sure what the ICHCA stands for.
   我不知道ICHCA是什么意思。
2. 2. The ICHCA is a group of environmentalists who are working to protect our planet.
   ICHCA是一个环保组织，致力于保护我们的星球。
3. 3.The ICHCA has been working on this issue for years, and they have made some significant progress.
   ICHCA已经在这个问题上工作了几年，并且他们已经取得了一些重大进展。