A.Bi’an (狴犴)
B.Pulao (蒲牢)
C.Chiwen (螭吻)
D.Jiaotu (椒图)
A.wasn't he
B.didn't he
C.did he
D.had he
A.侧方咬合时工作侧以成组的牙咬合接触
B.组牙功能he时后牙接触,前牙不接触
C.组牙功能he接触面积大于尖牙保护he
D.组牙功能he的he力分散,避免了个别牙负担过重
E.组牙功能he的非工作侧不接触
A.hold up
B.hold on
C.keep on
D.keep up
A.That's too bad
B.He may be too careless
C.He should be careful
D.Sorry to hear that