It"s terrific to see you dress formally and well prepared for the speech, and your poster is well done as well. however, you need to make more eye contact with the audience and better speak with various tones and clear pronunciation. I have to say you are a bit stiff without proper body language, which is no good for impressing the audience and the jury. Moreover, I really hope you can put more passion into the speech and try to enrich it with more facial expression, then surely your speech would be fabulous.演講中沒有語法錯誤，尤其其中一個男孩講的非常好，他演講的開頭很好，而且很幽默，演講有激情，並且和觀眾有很好的眼神交流並且在演講中有適當的肢體語言your grammar is ok. It"s worth mentioning that a boy gave a fantastic speech with an impressive beginning, furthermore, he was fairly humorous and enthusiastic throughout the speech, and he made good eye contact with the audience and used appropriate body language in the speech.可以了吧 適當再加分吧 很辛苦的

It"s terrific to see you dress formally and well prepared for the speech, and your poster is well done as well. however, you need to make more eye contact with the audience and better speak with various tones and clear pronunciation. I have to say you are a bit stiff without proper body language, which is no good for impressing the audience and the jury. Moreover, I really hope you can put more passion into the speech and try to enrich it with more facial expression, then surely your speech would be fabulous.演講中沒有語法錯誤，尤其其中一個男孩講的非常好，他演講的開頭很好，而且很幽默，演講有激情，並且和觀眾有很好的眼神交流並且在演講中有適當的肢體語言your grammar is ok. It"s worth mentioning that a boy gave a fantastic speech with an impressive beginning, furthermore, he was fairly humorous and enthusiastic throughout the speech, and he made good eye contact with the audience and used appropriate body language in the speech.可以了吧 適當再加分吧 很辛苦的