| 单词 | 机器运行 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔buzz〕When the machine is turned on, it makes a quiet buzz.机器运行时发出轻轻的蜂鸣声。韦氏高阶It's cheaper to keep the machines running than to turn them off.保持机器运行比关掉机器更省钱。牛津商务 |
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