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太古 tàigǔ
gen. the grey past
太古代,界 tàigǔ
gen. Archean (的); Archaean (的)
太古【地】 tàigǔ
tech. Grey Past
太古: 115 phrases in 18 subjects
Agriculture3
Chemistry4
Commerce1
Desert science7
Drilling14
Earth sciences7
Engineering geology2
General18
Geology11
Hydroelectric power stations2
Latin6
Life sciences1
Name of organization1
Oil / petroleum21
Pharmacology1
Polygraphy1
Shipbuilding2
Technology13