39, middle and rubbing it lengthwise FIG with a bit of cloth powdered with resin, till the rod gives a distinct note; the vibrations are communicated to the plate, which consequently vibrates transversely, and causes the sand to heap itself into one or more concentric rings.
vibrates הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד