not less than …

结构︰

not less than＋名词

说明︰

此句型意为“至少…”。等于“at least＋<数词>＋<名词>”。

The audience was not less than five thousand.
听众至少也有五千人。
Ill stay here not less than three days.
我将待在这里至少三天。
Though they think it takes no more than three days to fulfill the mission, I believe it takes not less than six days.
虽然他们认为完成这任务只需三天，但我却认为至少需要六天。