膝處于坐姿的人從腰到膝蓋的大腿正面部位 The front area from the waist to the knees of a seated person.
前方直接在前面的地區、部位或位置 The area, location, or position directly before or ahead.
針灸，針刺療法，針刺麻醉以細針扎入身體特定部位以減輕疼痛或誘導局部麻醉的方法 A technique, as for relieving pain or inducing regional anesthesia, in which thin needles are inserted into the body at specific points.
