1. This mouthwash contains alcohol, which is a common ingredient in collutoriums.
这种漱口水含有酒精，这是口漱剂常见的成分之一。
2. The dentist recommended using a collutorium to help keep the mouth clean and fresh.
牙医建议使用口漱剂来保持口腔的清洁和口气的清新。