四级One had to quit abruptly on a given day, going from about a pack a day to zero.

一个人不得不在某一天突然戒烟，从每天一包到零。

四级Regardless of your stated preference, if you're ready to quit, quitting abruptly is more effective, says Dr.

不管你的偏好如何，如果你已经准备好戒烟，那么突然戒烟会更有效。

四级By studying about 700 adult smokers, she found out that her mom quit the right way—by stopping abruptly and completely.

通过对700名成年吸烟者的研究，她发现她的母亲突然完全戒烟是正确的。

六级Then, abruptly, the cod population collapsed.

然后，鳕鱼数量突然下降。

四级Six months out, more people who had quit abruptly had stuck with it—more than one-fifth of them, compared to about one-seventh in the other group.

六个月后，更多突然戒烟的人坚持戒烟超过五分之一，而另一组约为七分之一。

考研The music is abrupt and seemingly disconnected, as in the last piano sonata.

音乐是突然的，似乎是断断续续的，就像最后一首钢琴奏鸣曲一样。

考研Beethoven’s habit of increasing the volume with an extreme intensity and then abruptly following it with a sudden soft passage was only rarely used by composers before him.

贝多芬的习惯是以极大的力度增加音量，然后突然用一段突然柔和的乐段，在他之前的作曲家很少使用这种习惯。

六级Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.

其陡峭的岩石面从宽阔的底部向上延伸，直到在平坦的山顶突然切断。