突突

tū tū

n. chug, pitapat, chuff

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tu1 tu1

beating of the heart, pitapat, the pulsation of a machine and, or it's movement thereof, (象声) (onomatopoeia)

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突突

tū tū

象

（机器的声音） chug:

汽船突突地前进。 The boat chugged along.

（心跳等） pit-a-pat:

她的心突突地直跳。 Her heart went pit-a-pat.

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突突|突突 [tū tū] ► beating of the heart ► pitapat ► the pulsation of a machine and ► or it's movement thereof ► (象声) (onomatopoeia)