v. 使…变大( expand的第三人称单数 ); 扩大; 伸展; 伸开

v extend in one or more directions

v become larger in size or volume or quantity

v make bigger or wider in size, volume, or quantity

v grow vigorously

v exaggerate or make bigger

v add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

v expand the influence of