We gave the watchword, and the sentinel let us pass.

我们说出口令，哨兵就把我们放过去了。

youdao

He joined the Sentinel for him to have revenge on the death of his tribe and family.

他加入了他的哨兵，以对他的部落和家庭的死亡复仇。

youdao

The moment was too grave to admit of the sentinel abandoning his duty and his post of observation.

哨兵要是玩忽职守，这一时刻可是太严重了。

youdao

And,wonderfully,women who had the sentinel node biopsy alone did just as well as the women who had the more radical operation."

VOA: special.2011.03.23

So it does that for us so that you can get away with just knowing the address of the first byte and it will make sure that you know when to stop by including the special value so, in fact, get the string if you type in a three-letter word, we allocate four bytes no matter what because we need an additional byte 0 for this special sentinel value back slash zero at the very end.

它为我们做了这些事情，这样我们就可以,通过第一个字节的地址,它还可以通过包含一个特殊的值,来保证在哪里停止，如果你输入了一个三个字母的单词,就可以获得那个字符串，不管怎样，我们分配四个字节,因为我们在末端需要一个额外的字节,来保存这个特殊的标志值--反斜杠。

哈佛公开课 - 计算机科学课程节选

Well, this question mark becomes an O, this question mark becomes an O, and then the loop terminates 0 1 2 because it's iterating from zero to N so that's zero, 1, 2 and the length of the string is 3 so the loop terminates, but I remember that I needed to have this special sentinel value so I'm just going to put it there manually.

嗯，这个问号变成了，这个问号变成了0，然后循环结束了,以为迭代从0到N，那就是，字符串的长度是3，然后循环就结束了，但是我记得我需要这个特殊的标记值,所以需要手动的加上它。

哈佛公开课 - 计算机科学课程节选

Defense analysts have speculated in the past that the Sentinel, built by Lockheed Martin Corp.

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Cancer can still recur or spread, even if the sentinel lymph nodes are free of cancer.

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"Last year these same levels that the Sentinel will look over were under water for months on end, " Mr Heriz-Smith said.

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