And now we cut to a different front angle, and he rises up and then [imitates thud] lands and then we start cutting close.
现在我们换个角度切入,他站起来,落地,然后切入。
英语百科
List of gear nomenclature
(重定向自Front angle)
The addendum is the height by which a tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line; also, the radial distance between the pitch diameter and the outside diameter.