Fifteen to thirty
三十───thirty;十五───fifteen
She has been on the stage for over thirty years.───她有30多年的艺龄.
The drug put Simpson in a lull for thirty minutes.───药物使辛普森安静了30分钟.
They walked through the dense Mozambican bush for thirty six hours.───他们花了36个小时穿过茂密的莫桑比克丛林。
Thirty miners were trapped underground after the fire.───起火后有三十名矿工被困在地底下.
It's fifteen thirty hours.───现在是15点30分.
He is thirty inches round the middle.───他腰围三十英寸.
Thirty is an even number.───三十是个偶数.
Six goes into thirty five times.───6除30得5。