An inoculation against cholera is recommended.是什么意思？

An inoculation against cholera is recommended.

建议注射预防霍乱的疫苗。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

inoculation

n. <植>接芽，<医>预防接种；

例句
The results show : The volume of allantoic fluid was significantly affected by inoculation dosage.
结果: 尿囊液的收集量与种毒接种量呈显著负相关,而血凝价受接种剂量的影响不显著.

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

cholera

n. [医]霍乱，虎疫；

例句
Fears are growing of a cholera outbreak following the appearance of a number of cases in the city.
该市出现几起霍乱病例之后，人们对霍乱爆发的恐惧越来越强烈。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

recommended

adj. 被推荐的；v. 托( recommend的过去式和过去分词 )，推荐，劝告，使显得吸引人；

例句
Don't automatically accept the solicitor recommended by the broker.
别想当然地就接受中间人推荐的诉状律师。