To prehistoric hunters, the moon overhead was as unerring as a heartbeat.

在远古的猎人眼里，天空中月亮变化的规律如同心跳一样准确无误。

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To prehistoric hunters, the moon overhead was as 5 unerring as a heartbeat.

在远古的猎人眼里，天空中月亮变化的规律如同心跳一样准确无误。

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She had an unerring instinct for a good business deal.

她有天生擅长做生意的本事。

《牛津词典》

Ferrara, a charming 46-year-old with a Sicilian accent who is known as Napo ("NAP-oh") to friends, is a medical detective with an unerring knack for knowing what to pursue.

FORBES: The Single-Minded Sleuth

Honey bees are well known for their unerring ability to find their way back to a colony or hive.

BBC: Bee brains help to make robots smarter

Yet, for all its single-minded predictability, technology has always flourished on a diversity of opinions and an unerring ability to invent alternative solutions.

ECONOMIST: OPINION