Our department has engaged a foreign teacher as phonetic adviser.是什么意思？

Our department has engaged a foreign teacher as phonetic adviser.

我们系已经聘请了一位外籍老师作为语音顾问.

our

pron. 我们的，we的所有格形式，<口>我们家，敝；

例句
Roland was taken aback by our strength of feeling...
我们反应如此强烈，令罗兰大吃一惊。

department

n. 部门，部，系，学部，知识范围，车间；

例句
They move freely from one department to another as they ascend the civil service ladder.
随着仕途晋升，他们可以在部门间随意调动。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

engaged

adj. （指厕所等）有人用的，已订婚的，（指电话）占线的，忙碌的；v. 与某人订婚，保证，约定，从事( engage的过去式和过去分词)，吸引或引起（注意、兴趣等）；

例句
I have a large circle of friends and acquaintances engaged in photography.
我在摄影界交游甚广。

foreign

adj. 外国的，外交的，外来的，不相干的，[医]异质的；

例句
The Colonial Office was absorbed into the Foreign Office.
殖民部被并入了外交部。

teacher

n. 教师，教员，老师，先生，[航]教练机；

例句
He was now a teacher and a respectable member of the community.
他现在是一位教师，并且是社区内受人尊敬的一员。

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。

phonetic

adj. 语音的，语音学的，音形一致的，表示语音的；

例句
...the Japanese phonetic system, with its relatively few, simple sounds...
语音数目相对较少且较简单的日语发音系统

adviser

n. 顾问，劝告者，（美大学）指导教授，导师；

例句
Due to his wife's illness, he returned to the State Department as special adviser to the President...
由于妻子生病，他回到了国务院，出任总统的特别顾问。