来自古英语 stybb,树桩，树墩，来自 Proto-Germanic*stubjaz,树桩，树墩，来自 PIE*steu,推， 击，打，词源同 study,stupid,type.引申词义烟蒂，存根，票根等。

1. Signs across the entrances warn all visitors to stub out their cigarettes.

入口处的告示牌提醒游客们熄灭香烟。

2. He paused to stub out the butt of his cigar.

他停下来，踩灭了手中的烟头。

3. He pulled the stub of a pencil from behind his ear.

他从耳后拿出一小段铅笔头。

4. I can't write with this pencil stub.

我无法用这根铅笔头写字.

5. She would sit there drawing with the pencil stub.

她会坐在那儿用铅笔头画画。