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2 天前 · Ammonia is a colourless gas with a characteristically pungent smell. It is lighter than air, its density being 0.589 times that of air. It is easily liquefied due to the strong hydrogen bonding between molecules.
2 天前 · Arizona (⫽ ˌ ær ɪ ˈ z oʊ n ə ⫽ ARR-ih-ZOH-nə; Navajo: Hoozdo Hahoodzo [hoː˥z to˩ ha˩hoː˩tso˩]; O'odham: Alĭ ṣonak [ˈaɭi ˈʂɔnak]) is a landlocked state in the Southwestern region of the United States.Arizona is part of the Four Corners region with Utah to the north, Colorado to the northeast, and New Mexico to the east; its other neighboring states are Nevada to the ...
1 天前 · M4 carbine - Wikipedia. The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO, select-fire, gas-operated, [b] magazine -fed carbine -length assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.
1 天前 · Signature. Oscar-Claude Monet ( UK: / ˈmɒneɪ /, US: / moʊˈneɪ, məˈ -/, French: [klod mɔnɛ]; 14 November 1840 – 5 December 1926) was a French painter and founder of impressionism painting who is seen as a key precursor to modernism, especially in his attempts to paint nature as he perceived it. [1] During his long career, he was the ...
3 天前 · C is an imperative procedural language, supporting structured programming, lexical variable scope, and recursion, with a static type system. It was designed to be compiled to provide low-level access to memory and language constructs that map efficiently to machine instructions, all with minimal runtime support.
6 天前 · The cat ( Felis catus ), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae. Recent advances in archaeology and genetics have shown that the domestication of the cat occurred in the Near East around 7500 BC.
1 天前 · BRICS is an intergovernmental organization comprising Brazil, Russia, India, China, South Africa, Iran, Egypt, Ethiopia, and the United Arab Emirates. Originally identified to highlight investment opportunities,[1] the grouping evolved into an actual geopolitical bloc, with their governments meeting annually at formal summits and coordinating ...
