| [/rɪˈtɑːd; rɪˋtɑrd/] v [Tn] (fml 文) 用法:
1 make (sth) slow or late 使（某物）放慢或迟缓:
retard the mechanism, eg of a clock 使机械装置减速（如时钟的） *
retard thespark, eg of an engine 使点火延迟（如发动机的）. 用法:
2 slow the progress or development of (sb/sth); hinder 阻碍（某人[某事物]）的进步或发展; 妨碍:
Lack of sun retards plant growth. 光照不足则植物生长缓慢. |