Assertion: trombone's length | /r/HasProperty | varied by means of a u-shaped slide
Facets:
Source sentences:
text: a brass instrument, a low-pitched counterpart of the trumpet, consisting of a tube the effective length of which is varied by means of a U-shaped slide.
text: a brass instrument, a low-pitched counterpart of the trumpet, consisting of a tube the effective length of which is varied by means of a U-shaped slide.