在几何课上，老师证明了这两个三角形是全等的。
In geometry class, the teacher proved that the two triangles are congruous.
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congruous英 /ˈkɒŋɡrʊəs/|美 /ˈkɑŋɡruəs/
In geometry class, the teacher proved that the two triangles are congruous.