sitzmark
英 ['sɪtsmɑ:k] 美 ['sɪtˌsmɑk]

n.

滑雪者向后摔倒又坐起后留在雪地上的凹坑；

权威例句

Reliability of a modified Sitzmark study of whole Gut transit time *
Utility of a modified sitzmark study for random or serial measurement of whole gut/colonic transit time
Lancaster's Ghost Runs ; Remembering The Area's Old Ski Areas Sitzmark City Hitting The Big Time
2015-04-03: The Sitzmark
Snow Skiing -- Family Affair -- Sitzmark school offers quaint, personal touch
PP114004 SITZMARKを用いた癒着性腸閉塞に対する手術決定の目安
LEICHTMETALL-GERUESTKUPPLUNG MIT KEILFESTSITZMARKIERUNG
Biofeedback Benefits Only Patients With Outlet Dysfunction, Not Patients With Isolated Slow Transit Constipation
Long-term efficacy of biofeedback therapy for dyssynergic defecation: randomized controlled trial
Evaluation of gut motility in type II diabetes by the radiopaque marker method