Class BG81InspectshēnHSK 5to stretch; to extend延伸yánshēnto extendzhòngHSK 7–9second month of a season; middle仲裁zhòngcáiarbitrationThe one-stroke difference:伸 contains 申 where 仲 contains 中 — 申 has one extra horizontal stroke inside the box.Drill this pairWrite the difference