Around fifty people die of hunger every day in the camp.
集中營里每天大約有五十人餓死。
To look at him you'd never think he was nearly fifty.
看他的外表，誰也想不到他年近五十了。
He's ancient ─ he must be at least fifty!
他老得很了——肯定至少有五十歲！
Students in fifty schools are to act as guinea pigs for these new teaching methods.
五十所學(xué)校的學(xué)生將作為這些新教學(xué)法的試驗對象。
The ceremony was transmitted live by satellite to over fifty countries.
典禮通過衛(wèi)星向五十多個國家進行了實況轉(zhuǎn)播。