cratern.坑(陨石坑、弹坑等)；凹地；火山口Craterization of bone骨火山口状切除术crater carbon arc lamp陷口式碳弧灯crateriform depression杯口状凹陷Crateromys schadenbergin.狐尾云鼠Craterostomum tenuicauda细尾盆口线虫crateriform liquefaction杯形液化, 碟形液化Crater Lake National Park火山口湖国家公园crater in osseous surgery杯状骨缺损, 火山口状骨缺损crater-contoured piston顶部有凹坑燃烧室的活塞Craterostomum acuticaudatum锐尾盆口线虫