"operative regulations"
"the major tendencies operative in the American political system"
"a surgical appendix"
"a surgical procedure"
"operative dentistry"
"the operative word"
"in running (or working) order"
"a functional set of brakes"
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句