Doctors are advised to give them within the hour before the operation.
建议医生在手术前一小时之内给病人使用。
The clock began to whirr before striking the hour.
钟在打点前先嘎啦嘎啦地响起来。
Please get to the boarding gate an hour before boarding.
请登机前一个小时到达登机门。
The pictures are timed at 9:05 a.m. last Saturday—just half an hour before the robbery occurred.
这些照片的时间定在上周六9:05——就在抢劫发生前的半个小时。
The ship was sailing before the wind, ten knots an hour.
轮船在顺风行驶，时速10海里。
LL: I read the reading assignment just an hour before class began.
上课前一小时看看指定阅读些什么材料你就去上课啦！
Then, the very hour, as on Valentines before.
然而，在那个特别的时刻，正在情人节之前。
The old truck jogged us up and down for an hour before we arrived.
在那辆旧卡车将我们上下颠簸了一小时以后，我们终于到达了目的地。
They have to go aboard half an hour before the ship sails.
他们必须在启航前半小时登船。
There will be an hour of free practice this morning before qualifying in the afternoon.
在今天下午的排位赛之前上午还会有一小时的自由练习时间.
It was an hour before the first shark hit him.
一个小时过去之后，第一条鲨鱼开始袭击他。
Must we be there one hour early before the meeting starts?
我们必须在开会前一个小时赶到那儿吗？
Must we be there half hour early before the meeting starts?
我们必须在开会前半小时赶到那儿吗？
The time to turn off technology? Give yourself a half hour before bed.
是时候关掉科技产品？睡前给自己半个小时。
This beautiful group was walking toward me single file during the golden hour before sunset.
在傍晚的金色阳光下，这些漂亮的大象正排成一行径直向我走来。
But there are signs this may be the darkest hour just before the dawn.
但有预兆表示这也许只是黎明前最黑暗的时刻。
We sit inside for an hour and a half before the engines start up.
我们在船上干坐了一个半小时引擎才启动，烟雾使我们窒息，还把眼睛熏出泪水。
You'd better reach the airport one hour before departure time for check-in.
您最好在机场检票前一小时到达机场。
There was an old fat gentleman on the bench, too, who had gone out, some half an hour before, and now come back.
审判席上还有一位胖胖的老先生，约莫半个小时以前出去了，这功夫才回来。
Please arrive at the airport one hour before departure.
请在起飞前一小时到达机场。
You should be at the airport an hour before departure.
你应当比出发时间提前半小时到达机场。
The darkest hour is before the dawn.
黎明前是最黑暗的时刻。
Thee darkest hour is that before the dawn.
黎明之前是最黑暗的时刻，否极泰来。
Be sure to arrive at the airport at least an hour before flight time.
一定要在飞机起习至少一小时前赶到机场。
She spent an hour making up before the party.
她在聚会前化妆花了一个小时。
She spent an hour making up before the party.
她在聚会前化妆花了一个小时。
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