名词
中文翻译：等待程序
同义词：
['waiting procedure', 'waiting process']
例句：
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1. The patient had to wait for hours before the surgery could begin.
病人不得不等上几个小时才能开始手术。
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2. The engineers were waiting for the new machine to arrive.
工程师们正在等待新机器的到来。
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3. They waited patiently for the bus to come.
他们耐心地等待着公共汽车的到来。