thigh /Sai; Oai/ n [C] 1 part of the human leg between the knee and the hip. 股; 大腿(人腿自膝至臀的部分)?！?the illus at leg. 參看 leg 之插圖。 ' ~- bone n bone of this part of the leg; femur. 股骨; 大腿骨。 2 corresponding part of the hind legs of other animals. 其他動物之后腿的相當(dāng)部分; 股。