base of

base of

: 463 phrases in 73 subjects

Advertising	1
Agriculture	11
Air defense	1
Anatomy	12
Animal husbandry	2
Architecture	3
Athletics	2
Automobiles	7
Aviation	16
Badminton	3
Basketball	1
Bridge construction	50
Business	18
Chemistry	15
China	1
Combustion gas turbines	1
Computer numerical control	1
Cryptography	2
Desert science	6
Drilling	2
Earth sciences	6
Ecology	2
Economics	10
Electric machinery	3
Electronics	2
Energy industry	2
Engineering geology	10
Equestrian sports	1
Explosives and Explosive Ordnance Disposal	2
Finances	9
Football	2
General	10
Genetics	1
Geology	2
Geophysics	1
Geotechnics	1
Gymnastics	1
Human resources	1
Hydroelectric power stations	5
Information technology	2
International Monetary Fund	2
International trade	3
Mathematics	4
Metallurgy	11
Meteorology	1
Military	1
Name of organization	1
Nautical	2
Navigation	1
Nursing	3
Oceanography & oceanology	1
Oil / petroleum	3
Otorhinolaryngology	10
Plastics	3
Polo	3
Project management	2
Rail transport	4
Reproductive biology	1
Rugby football	1
Scientific	4
Securities	4
Shipbuilding	2
Skydiving	1
Space	10
Sports	1
Statistics	1
Surgery	14
Technology	134
Textile industry	3
United Nations	1
Volleyball	1
Water resources	1
Wushu	1


-a abbr.
gen.	用以构成阴性单数名词; 女性人名; 构成某些动植物、氧化物的名称和一些地名
A abbr.
gen.	埃
a abbr.
gen.	一; 一; 同一; 每; 在辅音音素开头的单词前用a; 在元音音素开头的单词前用