tonic spraying

例句：

1. 1.We need to use a strong tonic spraying to keep the air fresh.
   我们需要使用强效喷雾来保持空气清新。
2. 2.The gardener applied a tonic spraying to the plants to protect them from pests.
   园丁给植物施加了强效喷雾，以保护它们免受害虫侵害。
3. 3. During the rainy season, we often use a tonic spraying to prevent waterlogging in our crops.
   在雨季，我们经常使用强效喷雾以防止作物发生水浸。