石膏头套夹板联合用头套附着器: attachment for incorporating in plasterhead cap splint. head cap
四方: 1.(四处) the four directions; all sides 短语和例子胜利的歌声传四方。 triumphant songs were heard everywhere.2.(正方形) square 短语和例子一块四方玻璃 a square of glass3.(立方体的) cubic 短语和例子一块四方木 a wooden cube; 四方步 solemn
