gum up

动词

To become gooey or gummy. (intransitive) · Some types of lubricating grease gum up as they age.
To cause to be gooey or gummy, especially with the effect of obstructing the operation of some mechanism or process. (transitive) · Aging grease had gummed up the record changer.
To make non-functional; to interfere with or put into a state of disorder; to ruin. (transitive)

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