commence /kəˈmɛns/ CET4 TEM4 ( commencing, commenced, commences )

• 1. 

  V-T/V-I When something commences or you commence it, it begins. 使…开始; 开始 [正式]

  例：

  The academic year commences at the beginning of October.

  该学年于10月初开始。

  例：

  They commenced a systematic search.

  他们开始了系统的搜查。