separation of tongue body and tongue coating
switch point;point tongue;switch rail;tongue rail;blade
tongue body and tongue coating separation
Archimedes worm and worm wheel
hindley worm hourglass worm
Transmission of Mul-ti-Head Worm and Worm Wheel
worm and worm wheel mechanism
a tongue not understanded of the people
a twist in one’s tongue
actinomycosis of tongue