doubling基本解释
n.加倍;折回;衬里;防护板
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n.加倍;折回;衬里;防护板
【hao86.com好工具】
"doubling with a computer took no time at all"
"I decided his double was a bluff"
The rapid doubling of the population.
出自:R. W. EmersonIntourist had given some of our booked rooms to a delegation from Mongolia, which meant a lot of doubling up.
出自:A. GarveA violinist anxious to learn a 'doubling instrument'.
出自:Melody Maker