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So far foreign navies have had only occasional successes .

截止目前，外国海军展开反击仅获取偶尔的成功。

Unfortunately , she is prone to occasional anachronisms .

遗憾的是，她很容易出现偶然的时代错误。

But most learn to find an occasional roof to huddle beneath .

但是大部分人学会了找到一个临时的栖身之所。

The occasional surprise is pleasant .

偶尔的意外令人愉快。

Cooking is an occasional hobby and a vehicle for celebrity chefs .

厨艺成了一种偶尔的消遣和名厨们引以为荣的工具。