Prevents
v. 預防；阻止（prevent的第三人稱單數）
??? 情景例句
I feel bad
我覺得很不安
A scientist has come up with a good idea. That's it!
科學家想起了一個好創意。就是這個！
when he knew that he was dying, he made me promise to go on my own.
他知道自己已奄奄一息，于是他要我答應一定單獨回故鄉一趟。