to propagate的用法和样例：
例句
- Missionaries went far afield to propagate their faith.
传教士到远方去传播其信仰。 - They started a newspaper to propagate their ideas.
他们办了一份报纸来宣传他们的主张。 - A part, such as a stem, leaf, or root, removed from a plant to propagate a new plant, as through rooting or grafting.
插条从某一植物上切除一部分并用来繁殖出一棵新植物，如茎、叶或根，通过扎根或嫁接
