crowds pressed up against the police barricades.
人群逼近警察设置的路障。
I began to think of what teachers are up against today.
我开始想老师们今天将面临什么。
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英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。