| 单词 | 花消 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔efficient〕Acting or producing effectively with a minimum of waste, expense, or unnecessary effort.高效的：以较少的浪费、花消、或不必要的努力去做或生产美国传统〔spark arrester〕A device designed to keep sparks from escaping, as at a chimney opening.火花消除器：用在烟口以防止火花外溅的设备美国传统 |
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