ad.
- 龐大地；巨大地；極大地His piano playing has improved vastly since last year.
他的鋼琴彈奏自去年以來取得了巨大的進步。
- 廣闊地；深遠地
辨析
同義參見:
deeply
vastly
KK:[ˈvæstlɪ] DJ:[ˈvɑːstli]