hay
noun
heɪ
noun
1
long
grass
that
has
been
cut
and
dried,
used
as
food
for
cattle
〔作牛饲料用的〕干草，饲草
2
make hay (while the sun shines)
to
take
the
opportunity
to
do
something
now,
because
you
may
not
be
able
to
do
it
later
晒草要趁太阳好; 抓紧时机
3
hit the hay
to
go
to
bed
[非正式] 上床睡觉
informal