Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
moving reference system
This HTML5 player is not supported by your browser
phys.
★
动参考系
space
动坐标系
wind.
运动参考系
moving reference system
:
3 phrases
in 1 subject
Space
3
Add
|
Report an error
|
Get short URL
