- 1
When two halves of something match each other perfectly, like mirror images — one side looks exactly, or almost exactly, like the other. Used for shapes, faces, buildings, art, and even ideas, like symmetry (balance) in an argument.
對稱（性）
組成sym- (together, same) + metry (from Greek "metron," measure) — literally "same measure on both sides."
同家族的字
- symmetricalsymmetrical is the adjective form describing something that has symmetry
- asymmetryasymmetry is the opposite — a lack of symmetry, using the negative prefix a-
- geometryshares the root 'metry/metron,' meaning measurement
原始詞典資料2 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。
symmetrynoun/ˈsɪm.ɪ.tɹaɪ/
- 1
Exact correspondence on either side of a dividing line, plane, center or axis.
- 2
The satisfying arrangement of a balanced distribution of the elements of a whole.
- She was like a Beardsley Salome, he had said. And indeed she had the narrow eyes and the high cheekbone of that creature, and as nearly the sinuosity as is compatible with human symmetry.
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。