The first ship is to enter service in 2018, one defense analyst said.

预计第一艘船将在2018年投入服务。

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Elk calves have only one defense against the hunting grizzly. They play a game of hide-and-seek. But for the calf, it's life or death.

麋鹿幼畜对捕猎的灰熊只有一种防卫措施。它们玩藏猫猫的游戏。但对幼畜来说，这是生死关头。

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Often, it's best to check in both places; that way, if an attacker manages to slip around one defense, they'll still encounter the other.

通常，最好在这两处都对其进行检查；这样，即使一个攻击者成功地突破了一道防线，他们还会遇到另一条。

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The Defense Department chooses more than one hundred countries every year and invites them to nominate students to the academies.

VOA: special.2009.06.04

Now turning to your sheet, in the early, early modern period the poet and courtier, Sir Philip Sidney, wrote an elegant, really wonderfully written defense of poetry, in one edition called The Apology for Poesie.

现在回到发给你们的材料上来，英国，伊丽莎白时期的朝臣及诗人，西德尼，曾写过很多很多，优美的诗歌，全部收录在一本名为《诗辩》的集子里。

耶鲁公开课 - 文学理论导论课程节选

Now one of the books that will be assigned for the class is by Michael Pollan called, In Defense of Food, and he spends some time in that book discussing and he has a very interesting take on it.

这门课要布置给你们阅读的书中,有一本是迈克尔·鲍兰写的,为食物辩护,书中的部分内容,是讨论何为食物,他的某些见解很独到

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One Defense Department official said the military member admitted to his leadership that he was involved in misconduct "of some kind" while in Colombia.

CNN: STORY HIGHLIGHTS

One Defense Department official said the military member admitted to his leadership that he had been involved in misconduct "of some kind" while in Colombia.

CNN: Senators criticize military briefing on Colombia scandal

It is a shift in strategy, one defense source said.

CNN: Attorneys reconsider putting Simpson on stand