重点讲解:
1. ahead of 早于;在…之前;
The Prime Minister was speaking ahead of today's meeting.
首相在今天的会议开始之前作了发言。
2. on behalf of 代表;
He spoke on behalf of all the members of the faculty and staff.
他代表全体教职员工讲了话。
3. be responsible for 负有责任的;应承担责任的;
Mike is responsible for designing the entire project.
迈克负责设计全部工程。
4. hand over 移交;
They would like to hand over their financial affairs to another body.
他们想把自己的财务移交给另一个机构管理。
adj. 宪法的,合乎宪法的,体质的,组成的 n. 散步