the act of flexing; "he gave his biceps a flex to impress the ladies"
cause (a plastic object) to assume a crooked or angular form; "bend the rod"; "twist the dough into a braid"; "the strong man could turn an iron bar" 同义词:bend, deform, twist, turn,
bend a joint; "flex your wrists"; "bend your knees" 同义词:bend,