Double over the edge before sewing.
在缝纫时先把边折过来。
Let me double over the shawl and put it round you.
让我把这披肩折起来围在你的身上。
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。
That was almost double the share of people aged 60 or over (8.8%).
这一数字几乎是年龄在60岁或以上的人群的数字（8.8%）的两倍。
The fund wanted to double its budget to $20 billion over the next three years.
全球基金原本希望在未来三年将其预算增长为原来的两倍，200亿美元。
Melt remaining chocolate in the top of a double boiler over medium heat.
剩下的巧克力融化顶部双重中等以上锅炉热。
The area R is the double integral over R of a function one.
区域R的面积是函数1在R上的二重积分。
Take one of these and twist it in the middle and then double it over and hold tight and tie off a hand.
取其中之一从中间扭转它，然后把它折一下，抓紧并系紧做为一只手。
Double pink with fuchsia edge over dark green variegated foliage. miniature.
重瓣的粉红色花，镶樱红色的边。深绿色斑叶。迷你型。
Over 500 students came to watch the speech contest, double the previous audience size.
超过500名的学生都来观看演讲比赛中观众，以前的两倍大小。
The "double-deck" type employs two separate decks of steel plate over the entire tank area.
双盘式浮顶在整个罐面积内有两层钢板。
That was double the average migrant wage, but the boom is now over.
这是农民工平均工资的两倍，但如今，这里的房地产热潮已经消退。
Double staining rate reached over 90%.
二者双染色率达90%以上。
Melt butter, brown sugar and honey in a small sauce pan over double-boiler. Keep stirring.
隔水融化黄油，加黄糖、蜂蜜，不停搅拌至完全融化。
Can you jump over double Decker buses?
你能跳双层巴士吗？
Can you jump over double Decker buses?
你能跳双层巴士吗？
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