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1 天前 · The tomato ( / təmeɪtoʊ / or / təmɑːtoʊ /) is the edible berry of the plant Solanum lycopersicum, [1] [2] commonly known as the tomato plant. The species originated in western South America, Mexico, and Central America. [2] [3] The Nahuatl word tomatl gave rise to the Spanish word tomate, from which the English word tomato derives.
1 天前 · Termitidae. Termites are a group of detritophagous eusocial insects which consume a wide variety of decaying plant material, generally in the form of wood, leaf litter, and soil humus. They are distinguished by their moniliform antennae and the soft-bodied and often unpigmented worker caste for which they have been commonly termed " white ants ...
1 天前 · The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs . Eon.
6 天前 · Pyrus dioica Moench. An apple is a round, edible fruit produced by an apple tree ( Malus spp., among them the domestic or orchard apple; Malus domestica ). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
4 天前 · The apostrophe (' or ’) is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English, the apostrophe is used for three basic purposes: The marking of the omission of one or more letters, e.g. the contraction of "do not" to "don't" The marking of possessive case of ...
4 天前 · UTF-8 is a variable-length character encoding standard used for electronic communication. Defined by the Unicode Standard, the name is derived from Unicode Transformation Format – 8-bit.[1] UTF-8 is capable of encoding all 1,112,064[a] valid Unicode code points using one to four one-byte (8-bit) code units. Code points with lower numerical ...
2024年5月20日 · Euarctos americanus. The American black bear ( Ursus americanus ), also known as the black bear, is a species of medium-sized bear endemic to North America. It is the continent's smallest and most widely distributed bear species. The American black bear is an omnivore, with a diet varying greatly depending on season and location.
