I trained as a ballet dancer...是什么意思？

I trained as a ballet dancer...

我受过芭蕾舞训练。

trained

adj. 训练过的，受训的；v. 训练，锻炼，培养( train的过去式和过去分词 )，教育，使（植物）朝某方向生长，[园艺学]修剪；

例句
...our abysmal record at producing a scientifically trained workforce...
我们在培育具有科学素养的专业人才方面惨不忍睹的记录

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

ballet

n. 芭蕾舞，芭蕾舞剧，芭蕾舞团，芭蕾舞音乐；

例句
I trained as a ballet dancer...
我受过芭蕾舞训练。

dancer

n. 跳舞者，舞蹈演员，舞女，舞蹈家；

例句
His previous girlfriend was a dancer with the Royal Ballet...
他的前女友是皇家芭蕾舞团的舞蹈演员。