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1.worse than 比...更坏，更糟糕
例句：It's hurting worse than before.
比先前痛得更厉害了。
2.be harmful to 对...有害
例句：Be not you aware that smoking be harmful to your health ?
你难道不知道吸烟对健康有害吗？
3.room temperature 室温
例句：The mixture was cured at room temperature for 8 to 14 days.
混合物在室温下需熟化8～14天。
4.call for 需要；呼吁；要求
例句：These are matters which call for some statistical sophistication.
这些工作需要某些精湛的统计技巧。
