ground：a reason for what you say or do, or for being allowed to say or do something
例句：Gene editing has drawn widespread public criticism on ethical grounds.
除“地面”外，还有“理由”“原因”等含义可替换reason，because，一般以复数grounds出现
实锤-例句：She has valid grounds for accusing him of sexual harassment.
仿写：SHe has valid grounds for accusing him of illegal business.
ground 常和介词 on 搭配构成短语 on the grounds of/that， 表示“因为…的理由”“以…为根据”。
翻译：On the the grounds of limited English proficiency，he declined the invitation.
造句：On the grounds of irregular products，his company moved towards failure.
She refused the invitation for the Christmas party on the grounds that her mother got sick.
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