竞拍中标是具有法律效力的契约，因此佳士得可以起诉竞拍成功的收藏家蔡铭超，强制要求他为拍得的18世纪铜鼠首和铜兔首付款。

Winning bids are binding legal contracts, so Christie's could sue the collector, Cai Mingchao, to enforce his bid for the two 18th-century statues, shaped like a rat and a rabbit.

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本实验采用天竺鼠来研究饲料中 钙质与维生素丙对 铁、铜、 锌、 钙、磷和镁在身体存留量之影。

The influence of graded levels of diet calcium (Ca) and ascorbic acid (AA) on the retention of iron (Fe), copper(Cu), Zinc (Zn), Ca, phosphorus (P) and magnesium (Mg) was studied in the guinea pig.

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