| 正面 | 8520.compression 英 [kəm'preʃ(ə)n]美 [kəm'prɛʃən]     |
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| 背面 |     释义： 1、com- "together" + press- + -ion.2、字面含义为：press (something) together.n. 压缩，浓缩；压榨，压迫 例句： 1. The compression and density make this a difficult book to read, but it richly rewards the effort.这本书内容丰富，思想深刻，很难读懂，但是非常值得一读。 compression (n.)c. 1400, from Middle French compression (14c.), from Latin compressionem (nominative compressio) "a pressing together," noun of action from past participle stem of comprimere "to squeeze" (see compress (v.)). Related: Compressional. Compressional wave is attested from 1887." |