中英释义：
双语例句
我想跟各位保证，你们没听过这些创意的原因正是我演讲开头就说明了的。
I want to assure you, the reason why you have not heard of these ideas is exactly the point I made in the beginning.
重点词汇
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演讲
give a lecture; speak; lecture; address; give a speech; make a speech; deliver a talk; give an address; speech; talk; discourse; oration; oratorical; on; oratorically
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开头
begin; start; outset; opening; beginning; lead-off; at the beginning