inert diluent

例句：

1. 1. The chemical used as a diluent is usually less toxic than the pure substance.
   用作稀释剂的化学物质通常比纯物质毒性小。
2. 2. The inert diluent was carefully added to the solution to prevent any contamination.
   惰性稀释剂被小心地加入溶液中，以防止任何污染。
3. 3. The inert diluent was used to dissolve the solid material without causing any reaction.
   惰性稀释剂用于溶解固体材料，而不会引起任何反应。