heliosphere 单词详解
发音 (IPA)
- US: /ˈhiːlioʊsfɪr/
- UK: /ˈhiːliəʊsfɪə(r)/
(Note: IPA verified from linguistic databases, emphasizing "helio-" as /ˈhiːlioʊ-/ in US and /ˈhiːliəʊ-/ in UK, with "-sphere" as /sfɪr/ (US) /sfɪə(r)/ (UK).)
语源 (Etymology)
- Origin:
Formed from Greek roots "hēlios" (ἥλιος, meaning "sun") + "sphaira" (σφαῖρα, meaning "sphere").
中文翻译: 源自希腊语词根“hēlios”(太阳)和“sphaira”(球体)的组合。 - Historical Shift:
Coined in the 20th century as a scientific term to describe the bubble-like region dominated by the Sun’s influence. No semantic shift; directly reflects its root components.
中文翻译: 20世纪作为科学术语诞生,描述太阳影响主导的气泡状区域,词义直接反映词根含义,无历史语义变化。 - If no record: (Not applicable; clear scientific etymology exists.)
解释 (Definition)
- 中文解释: 日光层(太阳风与星际物质相互作用形成的气泡状区域,包含太阳系并受太阳主导影响)。
- English (Oxford):
- (noun) The region of space influenced by the Sun, including the solar wind and extending to the heliopause, where it meets interstellar plasma.
例句 (Example Sentences)
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例句 1:
"NASA’s Voyager probes have provided groundbreaking data about the boundaries of the heliosphere."
(美国国家航空航天局的旅行者探测器提供了关于日光层边界的突破性数据。)
Context: Scientific research and space exploration. -
例句 2:
"The heliosphere protects the solar system from much of the harmful interstellar radiation."
(日光层保护太阳系免受许多有害星际辐射的影响。)
Context: Describing the protective role of astrophysical structures.