Nothing but a great many epithelial cells was observed in the stain.染片中只观察到有大量的上皮细胞....a black stain.黑色污迹A dark red stain was spreading across his shirt.一块深红色的污渍正在他的衬衫上渗开。PAS stain Histoplasma capsulatum infection in the...
我指甲根部的表皮龟裂粗糙，指甲被咬得参差不齐。My cuticles were split and ragged, and my nails unevenly bitten.她试图给他剪指甲，他不让。When she had attempted to cut his nails he resisted.我用拇指指甲把台灯上的螺钉拧紧了。I used my thumbnail to tighten the screw on my lamp...