n. 曲膝, 屈服

[ noun ]
the act of bending the knees in worship or reverence
<noun.communication>

genuflection \gen`u*flec"tion\, genuflexion \gen`u*flex"ion\, n.
[F. g['e]nuflexion, fr. LL. genuflexio, fr. L. genu knee +
flexio a bending, fr. flectere, flexum, to bend. See {Knee},
{Flexible}.]
The act of bending the knee, particularly in worship or
reverence. --Bp. Stillingfleet.