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做完作业之后他就回家了（动作先后发生）。
He went home when he had finished his homework.
youdao
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当他做完作业后，他马上就上床睡觉了。（先后发生）
When he finished his homework, he went to bed immediately.
youdao
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阿美：先有儿子再有妻子注意事情发生的先后顺序，丹尼尔。
May: Son before wife Pay attention to the order. Daniel.
youdao
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阿美：先有儿子再有妻子注意事情发生的先后顺序，丹尼尔。
May: Son before wife Pay attention to the order. Daniel.
youdao