isthmus

英 [ˈɪsməs]

美 [ˈɪsməs]

n.  地峡

GRE医学

BNC.34487 / COCA.23546

牛津词典

noun

• 地峡
  a narrow strip of land, with water on each side, that joins two larger pieces of land

柯林斯词典

• N-COUNT 地峡
  Anisthmusis a narrow piece of land connecting two very large areas of land.
  1. ...the Isthmus of Panama.
     巴拿马地峡

英英释义

noun

• a cord-like tissue connecting two larger parts of an anatomical structure
  Synonym:band
• a relatively narrow strip of land (with water on both sides) connecting two larger land areas

双语例句

• Reclaiming the lost isthmus would have many positive consequences.
  收复失去的大陆桥，将会有诸多正面结果。
• The island was shaped like a dumbbell, with a low, narrow isthmus leading to two hilly points at the North and South ends.
  小索罟岛的形状很像是一只哑铃，一段低矮的狭长地带连接起多丘的南北两端。
• A series of filters then ensures that convex polygons with peninsulas maintain a minimum isthmus width.
  然后进行一系列过滤，保证凸状多边形能保持最小的狭缝宽度。
• The Role of Fetal Aortic Isthmus Hemodynamic Parameters and Transverse Cerebellar Diameter in Forecasting Fetal Growth Restriction
  胎儿主动脉峡部血流及小脑横径的测定在预测胎儿生长受限中的意义
• Treatment of Lumbar Isthmus Spondylolisthesis with Vertebral Arch Screw Fixation and Posterior Lumbar Interbody Fusion with 270 Angle
  后路椎弓根固定270°椎间融合治疗腰椎滑脱
• A study on morphology of isthmus in maxillary first premolars
  上颌第一前磨牙根管峡部形态的研究
• Institutional Development and Regional Electrical Integration of the Central American Isthmus
  中美洲地峡机构发展和区域电气一体化
• A canal across the Isthmus of Panama.
  一个横贯巴拿马地峡的运河。
• Imaging diagnosis of spondylolysis of laminar isthmus of the lumbar spine in screening for aviation students
  招收飞行学员腰椎峡部裂的影像学诊断
• The isthmus would be greyish brown, littered with whelk shells and punctuated by shipwrecks.
  海峡可能是灰褐色的，到处散落着海螺壳，时而还会有失事船只的残骸。