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阱 jǐng
gen.	trough
avia.	trap
met.	well
陷阱 jǐng
gen.	trap
陷，势,电位阱 jǐng
gen.	well
电位阱 jǐng
telecom.	well

阱: 675 phrases in 55 subjects

Agriculture	12
Air defense	4
Animal husbandry	2
Artificial intelligence	1
Aviation	5
Biochemistry	1
Bridge card game	2
Business	3
Chemistry	18
Chess	2
Computer networks	1
Construction	4
Cryptography	2
Dermatology	1
Desert science	6
Earth sciences	7
Ecology	7
Economy	2
Electronics	218
Engineering geology	2
Environment	1
Finances	8
Fishery fishing industry	2
Food service and catering	1
General	52
Hunting	1
Information technology	11
International Monetary Fund	9
Laboratory equipment	1
Mechanic engineering	1
Metallurgy	27
Multimedia	1
Nautical	9
Navigation	2
Nuclear and fusion power	2
Oil / petroleum	7
Oil processing plants	1
Physics	1
Polymers	4
Project management	2
Psychology	1
Refrigeration	1
Rugby football	1
Securities	8
Shipbuilding	1
Skydiving	1
Socialism	1
Space	23
Sports	5
Technology	170
Telecommunications	12
Textile industry	1
Water resources	5
Wind Energy	1
Zoology	1