拇指用英语怎么说

拇指用英语叫做「thumb」。这个词源自古英语中的「þuma」，在古代意为「大拇指」，其中「þum-」的根本含义是「大的」。
一些英文例句如下：
He was playing the guitar with his thumbs.
She held the book open with her thumbs.
He gave her a thumb's up to show his approval.
The baby put the toy in his mouth and sucked on his thumb.