miu5 caa1 keoi5秒差距

Jyutpingmiu5 caa1 keoi5
Yalemíuh chā kéuih
名詞

Definition

Parsec; a unit of astronomical distance equal to about 3.26 light years.

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How it's used

Scientific terminology like this is often borrowed directly from written Chinese and pronounced with Cantonese reading, but it remains strictly academic. You will rarely hear this in casual conversation unless the topic is specifically astronomy or physics. It functions as a standard noun for measuring vast interstellar distances.

Grammar color guide

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Particle
Connector