Đóng popup
Laban Dictionary
VNG CORPORATION
Tra từ offline, miễn phí.
Tải
ANH VIỆT
VIỆT ANH
ANH ANH
Delete
Tra từ
Anh-Việt
Anh-Anh
trackball
/ˈtrækˌbɑːl/
US
UK
noun
plural -balls
[count] computers :a device which consists of a small ball that you roll with your fingers to control the movement of a pointer on a computer screen
US