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n. 偷看；隐约看见，瞥见 | vi. 窥视；慢...
n. [口]头；[口]脑袋
And the Pennsylvania Department of Environmental Protection (PADEP) is trying to do just that.
FORBES: Fracking With Bad Water
英汉双解词典包含3185865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。