(pos:名詞)
<explanation>
yue:常見嘅書寫工具；筆芯裝住油墨，筆尖有一粒鐵珠塞住開口，寫嘢嗰陣，粒鐵珠會跟住筆尖嘅郁動，轆啲墨落張紙上面（量詞：枝／支）
eng:ballpoint pen; ball pen; biro
<eg>
yue:黑色原子筆 (haak1 sik1 jyun4 zi2 bat1)
eng:black ballpoint pen
<eg>
yue:我幾時都帶住紅色原子筆喺身。 (ngo5 gei2 si4 dou1 daai3 zyu6 hung4 sik1 jyun4 zi2 bat1 hai2 san1.)
eng:I always keep a red ballpoint pen at hand.
