double-bottom space双层底空间
double-layer space grids网架结构
double-space air-pocket双腔气囊
Double-array hashing space双数组散列空间
Space double-mass空间双质体
double-arms free flying space robots双臂自由飞行空间机器人
V-T（及物动词） If you double-space something you are writing or typing, you include a full line of space between each line of writing. 隔行书写
Double-space the entire list.
隔行写整个清单。
ADJ（形容词） double-spaced
...forty pages of double-spaced typescript.
...隔行打出的40页文件。
N-COUNT（可数名词） A double space is a full line of space between each line of a piece of writing. 双倍行距
Leave a double space between entries.
在条目之间留出双倍行距。