whitewater
noun
ˌwaɪtˈwɔːtə◄
noun
1
a
part
of
a
river
that
looks
white
because
the
water
is
running
very
quickly
over
rocks
〔河水撞击岩石后的〕白浪; 湍流
whitewater
canoeing
激流皮划艇运动