本期内容：

China said on Thursday that it was building its first home-designed aircraft-carrier. Its only existing carrier, the Liaoning, commissioned in 2012, is a refitted Soviet-era vessel, more than 25 years old. China is embroiled in territorial disputes with several other countries in the South China Sea, where it has built artificial islands to reinforce its claims.

词义解析:

Home-designed: 自行设计

Aircraft-carrier：航空母舰

Commissioned: 服役

Refitted：改装的

Embroil：卷入

Territorial：领土的

Reinforce：加强