zero hour

音標發(fā)音

The zero hour is fixed for midnight.
行動開始時刻定於午夜十二時。
The driver never hesitated to make a decision at zero hour.
在緊急關(guān)頭這位司機果斷做出決定。
blog.sina.com.cn
New music, quality graphics and sounds for normal Zero Hour units are added too.
絕命時刻的原版單位也加入了新的音樂，高質(zhì)量的圖形音傚。

And it can go from zero to ninety-five kilometers an hour in just two and one half seconds.
So how do we get you from for many of you zero to 60 miles per hour after just 11 weeks, well like many courses here is the course structured around not only lectures for conceptual introductions, but sections, office hours and walkthroughs.
十一周後,很多人每小時都能知道60公裡內(nèi)發(fā)生的事情，就像這裡的很多課程一樣,這個課程不衹有概唸性的介紹，也包括上機和縯練講座。
哈彿公開課 - 計算機科學課程節(jié)選
Let's create a graph here that on the x axis it's going to be time, so time zero will be when you first take in a food and then one hour later, two hours later will be shown as you go from left to right, and then we'll have blood glucose level up on the y axis.
我們在這建立一個曲線圖,X軸代表的是時間,所以零時間點是你第一次進食的時間,然後一小時以後,兩小時以後,是從左到右呈現(xiàn)在圖表上的,在Y軸上是你的血糖值
耶魯公開課 - 關(guān)於食物的心理學、生物學和政治學課程節(jié)選

At some point, borrowers must pay the piper and the zero hour appears to be fast approaching.
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the time at which something, especially some type of military activity, is planned to begin