seatn.座位；底座；席位；臀部；所在地vt.使坐下；可容纳vi.坐seating area座位区seat harness座椅安全带seating shoe底座seating load固定载荷seat of pain痛的部位seat leakage支座泄漏seat cushion弹性座垫seat surface座面seat support座椅座,座支架seating ring座环

1. When we don't read, we must do seatwork.
   当我们不读书的时候，我们有课堂作业要做。