The U.S. places an embargo on Cuba and soon after it breaks off, diplomatic relations.

美国和古巴终止外交关系之后，对古巴实行禁运。

Oil prices rose sharply, in part because of the EU's long-delayed agreement to place an embargo on Russian oil.

油价大幅上涨，部分原因是欧盟拖延已久的对俄罗斯石油实施禁运的协议。

Publishers, for example, often place an embargo on a book to prevent stores from selling it before its official release date.

例如， 出版商经常对一本书实施禁运，以防止商店在正式发行日期之前出售该书。