Allegedly, because of the lip-synch-proof demand from organizers of SF Gala in recent years, some actors decided to quit the Gala due to their singing-off-key during the rehearsal.
但据报道，由于近几年的春晚都要求真唱，以致彩排的时候不少演员频频跑调，一些人气演员也因此退出春晚。
2
The drilling technique of diagonal water-hole is the key step in digital control machining of a lip mould.
唇模数控加工工艺的重点和难点是斜水孔的钻削工艺。
3
Therefore, how to ascertain the depth of lip and the intake Angle is the key in the design of baffle basin.