MEANING/意义
缺乏
EXAMPLES/列句
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缺乏幽默感to lack a sense of humor,to have no sense of humor
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缺乏深睡眠lack of deep sleep
COMBINATIONS/组合
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缺乏兴趣lack of interest
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缺乏耐心to lack patience,to be impatient
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缺乏自信to lack self-confidence
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缺乏勇气to lack courage
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胃酸缺乏achlorhydria