ballpoint pen
US /ˈbɑːl.pɔɪnt ˌpen/
UK /ˈbɑːl.pɔɪnt ˌpen/
1.
tükenmez kalem
a pen with a writing point that consists of a small metal ball that rotates in a socket and feeds ink from a reservoir
:
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Please sign the document with a ballpoint pen.
Lütfen belgeyi bir tükenmez kalemle imzalayın.
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I prefer writing with a ballpoint pen over a fountain pen.
Dolma kalem yerine tükenmez kalemle yazmayı tercih ederim.