- 基本释义
- 英英释义
- 更多资料
- 1. 【医】可任选的会后观光
网络例句
以下结果来自互联网
- the post of Secretary of Health and Human Services was created by Congress in 1979.

卫生与社会服务部长一职由美国国会设立于1979年。 - Contributions are purely optional.

捐献完全是随意的。 - Formal dress is optional.

是否穿礼服自便。 - Optimization grouping; optional regrouping

优化组合 - I shall also submit to the National People's Congress my request to resign the post of Chairman of the State Military Commission.

我也将向全国人民代表大会提出辞去国家军委主席的请求。
