把所有松动的钉子都钉进去，使地板平滑。 Punch down any loose nails so that the floor is quite smooth.
质地平滑的有滑或光滑的品质的 Having a slippery or smooth quality.
毕尔格猎犬一种小型猎犬，短腿、耳朵下垂且平滑的皮毛上带有白色、黑色和褐色斑纹 One of a breed of small hounds having short legs, drooping ears, and a smooth coat with white, black, and tan markings.
雕塑物平滑的轮廓线简直太美了。 The smooth contour of the sculpture is wonderful.
