?不定时放牧
... 不定时工作 irregular working hours 不定时放牧 off-and-on grazing 不定时灯光 occasional light ...
In an effort to bolster assistance, the USDA expanded emergency disaster assistance Wednesday to allow for haying and grazing on 3.8 million acres of protected conservation areas, once considered off-limits.
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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。