That makes one want to eat; extremely delicious.
令人垂涎的；誘人食欲的；美味的。
I want you to be extremely quiet, because this is no joke.
我希望你們絕對安靜，因為這不是開玩笑。
It's still extremely difficult to get tenure.
要取得終身職位仍然極其困難。
It's a useful introduction to an extremely complex subject.
這是對一門極為復雜的學科的有益入門教程。
Operation of the device is extremely simple.
這個裝置的操作非常簡單。