a unit of length, the common measure of distances equal to 1,000 meters, and equivalent to 3280.8 feet or 0.621 mile. Abbreviation: km
更多kilometer例句
The core collapses in on itself — plummeting at 150,000 kilometers per hour — causing temperatures to surge to 100 billion degrees Celsius and fusing the core into a solid ball of neutrons.
The universe was expanding, and Hubble clocked its expansion rate at 500 kilometers per second per megaparsec, a constant that now bears his name.
The International Air Transport Association said last week that global passenger demand dropped significantly during November, down 70% versus the same period of 2019 when measured in revenue passenger kilometers.
In addition, radio interference from Earth wouldn’t be registered by telescope sites separated by hundreds of kilometers.
Their X-rays shine from gas that measures 3 million to 4 million degrees Kelvin as it expands outward at 300 to 400 kilometers per second.
That means it probably flew back up as much as a kilometer before coming back down.
Her clothes and purse were found a kilometer away with money still in her wallet.
Several people have been killed by artillery shells from Syria that landed on the Turkish side of the 900 kilometer border.
He also says the “spirit of Eataly is contrary to the Slow Food movement or zero kilometer initiative to eat local.”
“We are now losing 300 cubic kilometer of ice a year in Greenland,” said Wadhams.
I preset two forward radiators for forty kilometers at low condensation, with a three kilometer radius at surface.
And so it appeared to me, for the Germans were dropping their shells from the southeast, at least one kilometer over range.
The line of support was furthermore about one kilometer in the rear.
Suppose a difference of a millimeter in the cause produces a difference of a kilometer in the effect.
If I win in case the effect corresponds to a kilometer bearing an even number, my probability of winning will be 1/2.