curvature/ˈkɜ:vətʃə(r); ?@ -tʃuər; `kəvəˌtʃʊr/ n[U]curved form; curving 弯曲形状; 弯曲 the curvature of the earth's surface 地球表面的曲度 to suffer from curvature of the spine 患脊柱弯曲症.
牛津英汉双解词典