serve Environmental concerns served as one of the main reasons for the change,Chen was quoted as saying.

serve
Environmental concerns served as one of the main reasons for the change,Chen was quoted as saying.

serve as:
vt. 担任(充当,起...的作用)

例句与用法:
1. In a way, I'm glad you made that mistake, for it will serve as warning to you.
在某种意义上来说,你犯那个错误我倒很高兴,因为那个错误会对你起警告作用.

2. These philosophical views serve as a guide in life.
这些哲学观点可以作为处世指南.

3. Let this be an example (ie May this punishment serve as a warning) to you.
你要以此为鉴戒.

4. The episode could reasonably serve as a unique epic of royal espionage!
这一事件理所当然地堪称是国王间谍活动的的独一无二的史诗.

serve as 充当；起……作用
类似的用法：
“充当”的三种表达
act as作“充当；起……作用”。类似用法有 work as．serve as . .
He acted as chairman in my absence．
我不在时，他临时充当主席。
He acted as secretary to the Board．
他...

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serve as 充当；起……作用
类似的用法：
“充当”的三种表达
act as作“充当；起……作用”。类似用法有 work as．serve as . .
He acted as chairman in my absence．
我不在时，他临时充当主席。
He acted as secretary to the Board．
他担任董事会的秘书一职。
He will serve as mayor．他将任市长一职。
The sofa served as a bed．那张沙发作为床用。
另外要区别serve与serve as的用法。前者为“为……服务”，后者为“作为…’’

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作为

认为。

作为serve,祥见以下VT.4
KK: []
DJ: []
vt.
1. 为...服务;为...服役
Children must be educated to serve their country when they grow up.
必须教育孩子长大后为国家服务。
2. 供应[(+with)]
3. 侍候(顾客等);供应(饭菜)...

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作为serve,祥见以下VT.4
KK: []
DJ: []
vt.
1. 为...服务;为...服役
Children must be educated to serve their country when they grow up.
必须教育孩子长大后为国家服务。
2. 供应[(+with)]
3. 侍候(顾客等);供应(饭菜);端上[(+to/with)][O1][O8]
She served me a cup of coffee.
她给我端上一杯咖啡。
4. 任(职);服(刑);当(学徒)[(+as/for/in)]
He served eight years in prison.
他坐过八年牢。
5. 适合(特定用途或目的);对...有用;供...使用[+to-v]
My old car has served me well.
我那辆旧汽车对我很有用。
6. 发(球)
7. 【律】送达(传票等)[(+on/with)]
8. 对待[O]
vi.
1. 服务;服役;供职;帮佣[(+in/on/under)]
My father served in the navy during the Second World War.
我父亲在第二次世界大战期间在海军服役。
2. 招待,侍候;上酒,端菜
Pearl is serving at the table.
珀尔在侍候进餐。
3. 适用;有用;足够[(+for/as)][+to-v]
A simple example will serve to illustrate the point.
一个简单的例子可以说明这一点。
4. 发球
n.
1. 发球(权)的意思

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