1邀请 invite/ invitation
2. 做演讲 make/deliver a speech
3. 评委 judge
4. 感激 appreciate (vi. )/ be grateful
5. 荣幸 honor (v./n.)
6. 欢迎 welcome (v./n./adj.)
7. 接受邀请 accept sb’s invitation
8.代表学校 on behalf of our school
9. 我想邀请你做... I’d like to invite you to...
10. 举办活动的目的是... The purpose of the activity is to
11. 活动的细节有... Here are some details about the activity...
12.如果……我将感到荣幸 It’s my honor if...
13.欢迎你参加 You are welcome to...