单词 | summer |
释义 | sum·mer 2 ![]() n. 1. A heavy horizontal timber that serves as a supporting beam, especially for the floor above. 2. A lintel. 3. A large, heavy stone usually set on the top of a column or pilaster to support an arch or lintel. [Middle English, beam, pack animal, from Anglo-Norman sumer, from Vulgar Latin *saumārius, from Late Latin sagmārius, pertaining to a packsaddle, packhorse, from sagma, packsaddle; see SUMPTER.] |
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