red-head

常见例句

• Scientists do not fully understand how anesthesia works, but the findings offers clues, as people with red hair have a certain genetic variant.
  科学家们还不完全了解麻醉剂的作用机理，而这一发现为此提供了线索，因为红头发的人具有一种特定的遗传性变型。
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