bell metal 【医】 钟铜(锡铜合金)
bell metal[ noun ]
bronze with 3 or 4 parts copper to 1 part tin; used in making bells
<noun.substance>
Bell metal \Bell" met`al\
A hard alloy or bronze, consisting usually of about three
parts of copper to one of tin; -- used for making bells.
{Bell metal ore}, a sulphide of tin, copper, and iron; the
mineral stannite.