n. 带子, 束发带, 调节大小的帽衬

[ noun ]
an undergarment worn by women to support their breasts
<noun.artifact>

Bandeau \Ban*deau"\ (b[a^]n*d[=o]"; b[a^]n"d[=o]), n.; pl.
{Bandeaux} (b[a^]n*d[=o]z"). [F.]
A narrow band or fillet, as for the hair, part of a
headdress, etc.
[Webster 1913 Suppl.]

Around the edge of this cap was a stiff bandeau of
leather. --Sir W.
Scott.