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noun | verb | to phrases
tripling ['trɪplɪŋ] n
gen. 三倍〔重,层〕; 三个一组; 三倍的量
agric. 三倍
triple ['trɪp(ə)l] v
gen. 使增加两倍
archit. 三倍于; 使增至三倍
econ. 使增至三倍; 增至三倍
tripling
: 3 phrases in 2 subjects
Electric machinery1
General2