51的用法和樣例：
例句
- The infants received either dexamethasone or hydrocortisone and 51 of their counterparts treated just before birth with betamethasone.
這些幼兒使用合成皮質(zhì)類(lèi)固醇或腎上腺皮質(zhì)類(lèi)固醇，且另有五十一位在出生前即以倍他米松治療。 - Hannah King, 51, called a company helpline after a BT engineer failed to turn up to install a telephone line at her new flat.
因為英國電訊集團的工程師并未如期安裝新家的電話(huà)線(xiàn)，五十一歲的金恩撥了該集團的諮詢(xún)服務(wù)電話(huà)。
