Bromfield was slated to become U.S. Secretary of Agriculture...是什么意思？

Bromfield was slated to become U.S. Secretary of Agriculture...

布罗姆菲尔德被确定为美国农业部长。

Bromfield

布罗姆菲尔德（姓氏）；

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

slated

v. 用石板瓦盖( slate的过去式和过去分词 )；

例句
Bromfield was slated to become U.S. Secretary of Agriculture...
布罗姆菲尔德被确定为美国农业部长。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

become

vi. 变为，成为，变得，变成；vt. 适合，适宜，相称，相当，变成，发生；

例句
...abandoned buildings that become a breeding ground for crime.
沦为了犯罪温床的弃置楼群

secretary

n. 秘书，干事，书记员， 部长，大臣；

例句
She wrote to Roosevelt's secretary in answer to his letter of the day before.
她写了信给罗斯福的秘书，回复罗斯福前一天的来信。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

agriculture

n. 农业，农耕，农业生产，农学；

例句
The Ministry of Agriculture commissioned a study into low-input farming...
农业部委托对低投入耕作进行研究。