English translation: the purring of the engine valves
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Explanation: "it ran with the characteristic valvular purring of its four-cylinder engine"... Since the word "valvular" is often associated with the heart, its use here gives a bit more of that image of the car as a living creature, implied in the word "purring."
Refugio Local time: 12:06 Native speaker of: English PRO pts in pair: 1827