petitioning
v.
祈求，请求，请愿( petition的现在分词 );
（向法庭）请求，申请;
例句:
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She's petitioning to regain custody of the child.
她请求重获孩子的监护权。
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We're petitioning for our right to keep a school in our village.
我们为在村中保留一所学校这一权利进行请愿.
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They are petitioning their employers for better working conditions.
他们为改善工作条件正在向雇主请愿.
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Yet only one of these albums has websites devoted to petitioning for its release.
来自BBC
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Kansas fans are already petitioning the White House to stop the new Jayhawk uniforms.
来自WSJ
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In the Constitution, these are known respectively as petitioning the government for redress of grievances and freedom of speech.
来自WSJ