sitzn.坐sitv.坐；栖息；使就座n.坐；栖息sit upon shoulder落在肩上Situhybridization原位杂交sit next to Nelly见习；跟着老手学习Sitting root test坐位坐骨神经根试验sit in on a class(美)旁听课sitting furniture坐用家具sit in one's seatsit on one's handsit on your handsvi.不予鼓掌(在需要时不采取行动)sit-and-reach坐位体前屈