upper and lower teeth的意思|示意

Jaws and teeth strong with a perfect, regular and complete scissor bite, i. e. upper teeth closely overlapping lower teeth and set square to the jaws.

拉不拉多犬的下巴与牙齿有完美的结合，以交剪的方式完全咬合，及上面的牙齿与下面的牙齿紧密的重叠。

The diamond drilling teeth covered with antiwear alloy are welded to the lower end of drilling body and a triangular drilling shank is welded to the upper end.

该钻头是在钻体的下端焊接着有一定耐磨性合金包镶金刚石的钻齿，上端焊接着钻柄。

Teeth of good size. Jaws strong with a perfect, regular and complete scissor bite, i. e. upper teeth closely overlapping lower teeth and set square to the jaws.

牙齿形状好，强壮的颌，完美的规则的剪刀状咬合，比如上齿紧紧覆盖下齿在口中构成三角形。

Daily before meals to relax the body, lips close, then the upper and lower teeth have quietly tapping rhythm.

每日三餐前坚持全身放松，口唇轻闭，然后上下齿有节律地悄悄叩击。

Please move the brush downwards on the upper teeth and upwards on the lower teeth.

刷上颌时牙刷当背上挪动，刷下颌时牙刷当背下移静。

Puffer fish of the upper and lower teeth are connected together, as if a sharp blade .

河豚的上下颌的牙齿都是连接在一起的，好像一块锋利的刀片。