2020大吉線上看《Air》HD4K/1080P.中英双字

Air | Definition of Air by Merriam-Webster

Air definition is - the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; also : the equivalent mix of gases on another planet. How to use air in a sentence. Synonym Discussion of air..

Air | Definition of Air at Dictionary.com

noun a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere. a stir in the atmosphere; a light breeze. verb (used with object).

Air | atmospheric gas | Britannica

Air, mixture of gases comprising the Earth’s atmosphere. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time. The atmospheric gases of steady concentration (and their proportions in percentage by volume) are as follows: Read More on This Topic.

Air - definition of air by The Free Dictionary

The colorless, odorless, tasteless mixture of gases that surrounds the Earth. Air contains about 78 percent nitrogen and 21 percent oxygen, with the remaining part being made up of argon, carbon dioxide, neon, helium, and other gases. The American Heritage® Student Science Dictionary, Second Edition..

Atmosphere of Earth - Wikipedia

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere..

Air Synonyms, Air Antonyms | Merriam-Webster Thesaurus

Some common synonyms of air are affectation, airs, mannerism, and pose. While all these words mean "an adopted way of speaking or behaving," air may suggest natural acquirement through environment or way of life. a traveler's sophisticated air In what contexts can affectation take the place of air?.