Broaden,
Friction,
Expand,
Toben,
Tuoba,
Beituo,
Camel,
Pioneering,
Promotion and marketing,
Development,
Colonization,
Rio Tinto,
Write extension,
Topological structure,
Extended painting,
Zhang Tuo,
Crane extension,
Extension,
Elaborate,
Pioneering,
Tuoyu,
Tuotu,
Extension,
Extension,
Linto,
Tuoji,
Huituo,
Extension,
Todo,
Tory,
TOEFL,
Tuoba,
Tomo,
Tolo,
Extended writing,
Yokota,
Extension,
Xiongtuo,
Trust,
Xiang Tuo