gum up
phrasal verbgum something up
- [usually passive] (informal) to cover or fill something with a sticky substance so that it stops moving or working as it should
黏住(使不能正常工作) - Open and close the valves occasionally so they don’t get gummed up.
偶尔打开和关闭阀门,这样它们就不会被粘住。
- Open and close the valves occasionally so they don’t get gummed up.