difficult

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【词性】：a．

【释义】：

❶ 不利的❷ 不爽的❸ 困难的

difficult delivery难产

difficult dentition出牙困难

difficult expectoration咯痰不爽

difficult fertilization难于受精

difficult flexion and extension of the knee joints膝关节曲伸不利

difficult in raising the arms提臂困难

difficult labour难产

difficult menstruation月经困难

difficult urination小便不利