official commencement ; officially start
正则表达式开发工具 Ultrapico Expresso
此项工程预期于今年四月正式开工。
Construction is set to begin in April.
youdao
对于此项工程四年以后正式开工。
Actual work on this project began four years later.
大连地铁建设正式开工。
Subway construction kicks off in Dalian.
应用推荐
模块上移
模块下移
不移动