| 正面 | 6006.upgrade 英 [ʌp'greɪd]美 [,ʌp'ɡred]     |
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| 背面 |     释义： 1. s (蛇) + way => 蛇走路的方式 => 摇摆。2. 字母 S 本身就像一条弯弯曲曲令人感到恐怖、恶心的蛇。3. “使歪” ---- 使其歪来歪去 →摇摆vt. 使升级；提升；改良品种n. 升级；上升；上坡adv. 往上adj. 向上的 例句： 1. You can upgrade from self-catering accommodation to a hotel.您可以将自理膳食旅店升级为酒店。 upgrade (n.)also up-grade, 1847, "upward slope," from up (adj.) + grade (n.). The meaning "upgraded version" is recorded from 1980.upgrade (v.)"increase to a higher grade or rank," 1904 (transitive); 1950 (intransitive), from up (adv.) + grade (v.). Related: Upgraded; upgrading." |