silln.基石(岩床底面)sillographern.讽刺文学作家sill crossbar车门门槛横梁sill abutment础材桥础sill splicing梁的戳换Sillike entity层状实体sillistrocular[医] 左利眼的, 善用左眼的sill elevation基石标高sill cross bar横底杆Sillman bronze铜铝铁合金Silliman bronze铝铁青铜