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useful
useful
gen.
有用
;
有用 的
;
有效率的
;
能干的
econ.
实惠的
el.
有助益的
fin.
可用
|
layer
layer
hydroel.st.
层
noun
|
adjective
|
to phrases
useful
['ju:sf(ə)l]
n
hydroel.st.
有帮助的
useful
['ju:sf(ə)l]
adj.
gen.
有用
;
有用〔效,益〕的
;
有效率的
;
能干的
;
对…很熟练的
(at)
agric.
有帮助的
(utilis)
auto.
有用
效,益
的
econ.
实惠的
el.
有助益的
fin.
可用
hydroel.st.
有用的
;
有效的
;
有益的
;
实用的
useful layer
:
426 phrases
in 57 subjects
Agriculture
17
Air defense
2
Animal husbandry
4
Architecture
1
Armored vehicles
3
Artificial intelligence
1
Automobiles
25
Aviation
13
Bridge
card game
1
Bridge construction
2
Business
11
Chemistry
3
Chess
1
Commerce
10
Communications
1
Compressors
2
Computer numerical control
2
Construction
1
Desert science
2
Drilling
3
Earth sciences
2
Ecology
2
Economy
26
Electric machinery
12
Electronics
19
Engineering geology
3
Explosives and Explosive Ordnance Disposal
2
Finances
5
Forestry
1
General
9
Hydroelectric power stations
12
Information technology
4
International Monetary Fund
3
International trade
3
Mahjong
1
Management
6
Mathematics
1
Metallurgy
15
Mining
1
Nautical
2
Oil / petroleum
7
Oil processing plants
2
Project management
6
Radio
1
Rail transport
2
Refrigeration
4
Reliability
1
Securities
1
Shipbuilding
1
Space
13
Technology
127
Telecommunications
4
Thermal Energy
4
Tools
1
Transport
1
United Nations
4
Wind Energy
13
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