请帮我将以下句子改写得更简洁明了： Screwing your cap on tightly will help to prevent undesirable substances from seeping into the container and will also improve the overall seal, ensuring that the contents inside do not leak out.
user
拧紧盖子能防止杂质渗入并增强密封性，确保内容物不会泄漏。
assistant