1. All the people present clapped (拍手)their hands to the professor to explain the technique(技巧, 方法) employed in the poetry(诗, 诗歌).
2. When somebody is angry, he or she always bursts into anger (愤怒)to express his or her strong emotion(情感).
3. It is incredible(难以置信的) that he is always full of energy(精力).
4. From all aspects (方面)today, we can know that the female (女性的)is equal to man.