每日英语俚语45: 非常慢 (mp3和文本下载)
2017-03-15来源:和谐英语
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at a snail's pace
非常慢；（像蜗牛一样）慢吞吞地
They did the project at a snail's pace and only half of it finished when the dead line came.
他们的工程做得很慢，截止日期到了，但是只完成了一半。
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