Word: 序号 (xùhào) Traditional: 序號 序号 dictionary entry xùhào ordinal number; serial number; sequence number Full dictionary entry for 序号 Example sentences using 序号 2 sentences, showing page 1 of 1. 机器背面有一个序号。 Jīqì bèimiàn yǒu yí gè xùhào. There is a serial number on the back of the machine. 第一列是序号，不用填。 Dìyī liè shì xùhào, búyòng tián. The first column is the ordinal number, so you don't need to fill it in.