multiply
verb
ˈmʌltɪəplaɪ
verb
1
to
do
a
calculation
in
which
you
add
a
number
to
itself
a
particular
number
of
times
乘，乘以;
I,T
Children
will
learn
to
multiply
in
the
second
grade.
儿童在二年级学习乘法。
multiply
sth
by
sth
Multiply
the
total
by
12.
把总数乘以 12。
2
to
increase
by
a
large
amount
or
number,
or
to
make
something
do
this
（使）大大增加，（使）倍增
I,T
The
amount
of
information
available
has
multiplied.
可获得的信息大大增加了。
Smoking
multiplies
the
risk
of
heart
attacks
and
other
health
problems.
吸烟大大增加了患心脏病和其他疾病的危险性。
3
to
breed
繁殖
I
Bacteria
multiply
quickly
in
warm
food.
细菌在温热的食物里繁殖得很快。