ultracooled

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Cooled to a very low temperature. not-comparable
    — In 1999, Dr. Hau headed a team of scientists that slowed light, which travels a brisk 186,282 miles a second when unimpeded, to a leisurely 38 miles an hour by shining it into an exotic, ultracooled cloud of sodium atoms.

词源

From ultra- + cooled.
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