decussating fibers

例句：

1. 1. The patient's leg was decisively decisive in the operation.
   病人的腿在手术中果断地被切除。
2. 2. The team decided to decisively decide on the next course of action.
   团队决定果断地决定下一步行动。
3. 3. The decision was made with decisiveness and without hesitation.
   这个决定是果断的，毫不犹豫的。