Question

a long period of time是什么意思

Answer 1

a
long
period
of
time
很长一段时间
双语对照
例句:
1.
They
can
also
estimate
a
planet's
orbital
period-the
time
it
takes
to
circle
itsstar-by
observing
the
number
of
dips
over
a
long
period
of
time.
他们还能估算出一颗行星的轨道运行周期，也即环绕其恒星一周所需的时间，以及观察行星长期运行所显示的浸渍数据。
2.
However,
rozin
says,
you
could
desensitize
people
over
a
long
period
of
time.
然而，罗金认为可能通过很长一段时间让人不再那么敏感。

Answer 2

over
a
long
period
of
time
在很长一段时间
双语对照
词典结果：
over
a
long
period
of
time
长期；年深月久;
以上结果来自金山词霸
例句:
1.
climate
is
the
overall
combination
of
all
these
events
over
a
long
period
of
time.
气候是一个长期以来所有这些事件的综合。