trachelagra

例句：

1. 1. The iron chelate was used to treat anemia in patients with iron deficiency.
   铁螯合物被用来治疗缺铁性贫血患者。
2. 2. The researcher discovered a new chelate compound that could be used as a drug delivery system.
   研究者发现了一种新的螯合化合物，可以作为药物输送系统使用。
3. 3. The chelate compound is known for its ability to complex heavy metals and remove them from the environment.
   螯合化合物因其能够与重金属结合并从环境中去除它们而闻名。