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A rhombus is a flat shape with four straight sides, all the same length. A square is one kind of rhombus, because a square has four equal sides too. Though actually, when teachers say rhombus they often mean the leaning one, like a diamond pushed to the side, where the corners are not square corners. You will meet this word in maths. In everyday English, people may just say diamond for that shape. It is a school word more than a street word.
菱形
原始詞典資料5 筆記錄
以下是外部詞典記錄的用法,原文照列,我們還沒有寫成教學內容。上面的說明才是我們自己寫的;有些用法可能上面已經講過了。
rhombusnoun/ˈɹɒmbəs/
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geometrymathematicssciencesA parallelogram having all sides of equal length.
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geometrymathematicssciencesA parallelogram having all sides of equal length.
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In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.
- The Greeks also used an instrument called a rhombus, or witches' wheel. As the wheel spun round, it was thought that influence was gained over certain people or circumstances.
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archaicbiologynatural-scienceszoologyAny of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.
- the greedy Tuberon or Shark arm'd with a double row of venemous teeth pursues them, directed by a little Rhombus, Musculus or pilot-fish that scuds to and fro to bring intelligence [...].
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archaicbiologynatural-scienceszoologySnails, now in genus Conus or family Conidae.
資料來源:英文維基詞典 English Wiktionary(CC BY-SA 4.0)。 原文照列,未經改寫。