求救!怎么让文字不换行
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<span id="LblTianQiYB" style="height:100%;word-wrap:normal;word-break:normal">今天多云,夜里转阴有阵雨或雷雨,明天阴有雨,今天最高气温18-19℃,明天最低气温10-11℃。</span>