pitsn.凹点；坑名词pit的复数形式.pitn.坑；矿井；陷阱；凹痕；(剧院的)正厅后排；（枣）核vt.使凹陷；使竞争vi.凹陷pit groove坑槽pit gravel坑砾石pitilesslyadv.无情地；冷酷地pitomenter孔板流速计,华氏压差计pituitrism垂体功能障碍,垂体机能障碍pit planer落地刨床,地坑刨床pit brains以智力对抗pit-bank井口平台pit sawing双人锯pitman arm连接杆臂,转向臂,连杆臂