求翻译：5月15日下午两点在学校大礼堂举行英语演讲比赛主题为 关注世界气候 保护地球环境。每人演讲五分钟 将选拔出3名选手参加决赛 欢迎全体同学出席是什么意思？

May 15, two in the afternoon in the school auditorium at English speech contest theme is concerned about the world's climate protection terrestrial environment. Speech five minutes per person will be selected to participate in the final three players out of all the students welcome to attend

On the afternoon of 15 May, two points be held at the auditorium at the school English Speech Contest, with a theme on the World Climate Protection of the Earth's environment. Lecture 5 minutes per person will be selected among 3 Players who welcomed all students attend finals

On May 15 2 pm hold English oratorical contest subject in the school large ceremonial hall to protect the terrestrial environment for the attention world climate.Each person will lecture five minutes to select 3 contestants to attend the finals to welcome all schoolmate to attend

May 15 English speech contest held in the school auditorium topics to focus on the global climate to protect Earth's environment. Each lecture will select 3 players to participate in the final five minutes all the students are welcome to attend

Great hall hold English speaking competition theme to pay close attention to the fact world climate protect the the earth environment in school will it be will it be two o'clock afternoon May 15. Each person lectures for five minutes Will choose 3 players out and participate in the final Welcome all