crotch

n.

（人体的）胯部，两腿分叉处；裤裆；

复数：crotches

1. He has a dull heavy ache in the crotch.
   他的胯部感到隐痛。
2. These jeans are too tight in the crotch.
   这牛仔裤的裤裆太紧了。
3. The child was sitting on a crotch of a tree.
   那孩子坐在树的桠杈上。

Disposable diaper with elastically constricted crotch section
Three-dimensional Simulation Analysis of Arch Rib Crotch in a Large-span Flat Arch Bridge
William Crotch and the Poet Cowper
Multicenter evaluation of the AMPLICOR and automated COBAS AMPLICOR CT/NG tests for detection of Chlamydia trachomatis.
Multicenter Evaluation of AMPLICOR and Automated COBAS AMPLICOR CT/NG Tests for Neisseria gonorrhoeae
Enhancing the Specificity of the COBAS AMPLICOR CT/NG Test for Neisseria gonorrhoeae by Retesting Specimens with Equivocal Results
Detection of Neisseria gonorrhoeae and Chlamydia trachomatis in genitourinary specimens from men and women by a coamplification PCR ...
Molecular Amplification Assays to Detect Chlamydial Infections in Urine Specimens from High School Female Students and to Monitor th...
Diagnosis by AMPLICOR PCR of Chlamydia trachomatis infection in urine samples from women and men attending sexually transmitted dise...
Detection of Chlamydia trachomatis by the Gen-Probe AMPLIFIED Chlamydia Trachomatis Assay (AMP CT) in Urine Specimens from Men and W...