The price of eggs has risen to double its original one.
鸡蛋的价格已上涨到原来的两倍。
They only have one room left: you'll have to double up with Peter.
他们只剩下一个房间，你只好与彼得合住了。
We'll have to double up on books; there aren't enough to go around.
因为书不够人手一册，我们只好合用了。
我们不得不付出加倍的努力。
He wanted to double his income.
他要让他的收入增加一倍。
I think it's time to double down.
我认为这时该加倍努力。
Here's some things to double check.
以下是一些需要仔细检查的东西。
We need to double food supply by 2050.
我们需要到2050年把食品供应加倍。
If you want fortune to double, share it.
如果你想财富加倍，请分享它。
"Now I have to double everything," he says.
“现在我要加倍珍惜所有这些，”他说。
Do you know the fastest way to double your money?
让手中的钱翻番，用什么方法最快？
The price of eggs has stiffened to double its original one.
鸡蛋的价格已上涨到原来的两倍。
The figure is expected to double within a generation.
而预计在一代人的时间内这一数字将翻倍。
Demand for electricity is expected to double by 2020.
预计到2020年，电力需求将翻一翻。
Our goal is to double the user base in the field trial.
我们的目标是在试验阶段，增加一倍的用户。
The number of Chinese diabetics is expected to double by 2025.
中国糖尿病患者人数预计到2025年会是现在的两倍。
All that because I want my sons to double-check their homework?
难道造成这些就是因为我想让我的儿子们仔细检查家庭作业？
The gas pistons enable the bed to double up as a computer table.
气体活塞可以把床铺折叠起来成为一张电脑桌。
Demand for food is expected to double over the next forty years.
粮食需求预计在接下来的四十年翻一番。
I want to double the value of my son's 529 college savings plan.
我希望加倍我儿子的529学费储蓄计划(估计是每月帮他儿子的学费攒529美元——译者注)。
And that demand is expected to double again in the next 20 years.
在未来二十年能源需求预计还会再翻一番。
But will it be enough to get you to double down on your iPad ownership?
但这是否足以翻倍你的iPad所有者的身份？
The base is small, so to double or triple sales is something Acer can do.
“基数很少，所以宏碁可以做到两倍或者三倍于其销售”。
We should try to double up the amount of intimacy we have in marriage.
我们应当努力让我们婚姻中的亲密之量翻倍。
We have to double our efforts if we want to be successful in our studies.
如果我们想在学习上取得成功，我们必须加倍努力。
We have to double our efforts if we want to be successful in our studies.
如果我们想在学习上取得成功，我们必须加倍努力。
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