ballpoint

US /ˈbɑːl.pɔɪnt/

UK /ˈbɑːl.pɔɪnt/

1.

bút bi

a pen with a tiny ball as its writing point

:

•

Please sign the document with a ballpoint pen.

Vui lòng ký tài liệu bằng bút bi.

•

I prefer writing with a ballpoint over a fountain pen.

Tôi thích viết bằng bút bi hơn bút máy.

:

ballpen biro

:

ballpoint pen