time表示不可数名词,意为“时间”.
表示可数名词,意为“次数,倍数”.
eg：What time is it?
Time and tide never wait for men.
I go to the movies three times a week.
The size of the new museum is four times larger than the old one.
“次数”的表达方法
一次 once
两次 twice
三次或三次以上用基数词加上times,three times、five times、one hundred times.
表示“……几次”的表达方法是：twice a month、once a month、three times a week、once a year.
转换要看具体情况,有时可以有时不可