一种说法是：它是由托马斯？。杰弗逊发明的，为TS交织字母的标记。

One says that Thomas Jefferson invented it, perhaps as a sort of monogram for TS.

youdao

一种说法是：它是由托马斯？。杰弗逊发明的，为TS交织字母的标记。

One says that Thomas Jefferson invented it, perhaps as a sort of monogram for TS.

youdao