Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
第阶
tech.
first-order
第阶
:
140 phrases
in 31 subjects
Automobiles
5
Aviation
2
Business
10
Chemistry
1
Commerce
2
Consulting
1
Desert science
1
Earth sciences
2
Economy
4
Electronics
2
Environment
1
Finances
2
General
17
Geology
3
Gymnastics
2
International Monetary Fund
3
Mathematics
2
Metallurgy
9
Mountaineering
4
Nautical
2
Oil / petroleum
7
Plastics
1
Polymers
1
Programming
2
Rail transport
1
Securities
1
Sports
2
Statistics
1
Technology
34
United Nations
14
Weightlifting
1
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips