一个半小时 用英语怎么说

好像有两种 而且后面是用is 还是are? 两个半小时呢

an
hour
and
a
half或者
one
and
a
half
hours
two
hours
and
a
half/two
and
a
half
hours
用is,因为时间不可数,虽然小时可数:
离天亮还有两个半小时。
It
was
two
and
one-half
hours
to
dawn.
你的展示预定在一个半小时之后开始。
Your
demo
is
scheduled
to
start
in
an
hour
and
a
half.
世海明天要/会学中文学一个半小时。
Tomorrow
Shihai
will
study
Chinese
for
one
and
a
half
hours.
温馨提示:答案为网友推荐,仅供参考