star systems
(archaeology) A natural (not man-made) object of an excavation site, which was originally brought into the site by humans.
(chemistry) Formed into a polymer whose repeat unit is derived from ethylene oxide
plural of star system
Alternative form of lithontriptic
天文学者たちは昨年、銀河の濃密なハロー領域でいくつかの新しい恒星系を発見しました。
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