音标
英语音标：[ˈdʌb(ə)l]
美语音标：[ˈdʌbl]
翻译
adj.双重的；成双的；两倍的
v.翻一番；使 ... 加倍
n.两倍；双份
例句
Double all the quantities in the recipe to make enough for eight people.
把菜谱上的量都增加一倍以够八人用餐。
The population almost doubles in summer, mainly because of the jazz festival.
主要由于爵士音乐节的缘故，在夏季这里的人口几乎比平时多一倍。
It has the double advantage of being both easy and cheap.
它具有既方便又便宜的双重优点。
