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1·Excuse me. My name is Jack Wu. I'd like to book a room.

麻烦你，我的名字是吴杰克，我想要订房间。

2·Excuse me. My name is jack wu. I 'd like to book a room.

麻烦你，我的名字是吴杰克，我想要订房间。

3·Excuse me. I \ 'd like to check in, please. My name is jack wu.

麻烦你，我的名字是吴杰克，我想要订房间。

4·Jack Wu, who arrived from China, manages the design of circuit protection systems for hydro-electric transmission lines.

杰克·吴（Jack Wu）来自中国，现在管理着水电输电线路电路保护系统的设计。