bethumb
用拇指弄脏或留下痕迹
词形变化
bethumbed
bethumbing
bethumbs
三单
bethumbs
bethumbing
现在分词
bethumbed
过去式
bethumbed
过去分词
释义与例句
v.
-
1.
To take hold of or mark with the thumbs; soil or mark with frequent thumbing.
及物
词源
From be- + thumb.
来源:wiktionary