青云翻译

Good morning, first of all I am very pleased to also turn to the last lecture this semester

Good morning, first of all, I am very happy to turn to the semester final lecture

Everybody early morning is good, first I extremely happy also can be one's turn this semester finally to lecture

Good morning everyone, first of all, I am very pleased that this semester is also able to launch the final lecture

Good morning, first of all, I am very happy to turn to the semester final lecture