1.cognition n.認識，認知

It gives you a great window into human cognition.
這是觀察人類認知方式的絕好窗口。

2.commiserating v.憐憫，同情

Michael reminded everyone, don't forget the repenting heart, the commiserating heart, the gratitude and grasping the true significance of the life everytime.
李老師提醒大家要有懺悔之心、憐憫之心、感恩之心及領悟人生真諦。

3.experiment n.實驗

I started this experiment 3 years ago.
我開始這個實驗有3年了。

4.console v.安慰，慰問

At least hong kongers can console themselves with the diversity of apartments available on the market.
至少市場上可租公寓的多樣性可以讓香港人聊以慰藉。

5.observation n.觀察；觀察力

Mr allen and his colleagues made one other observation.
艾倫先生及其同事還有另一個觀察結果。