Marshall Colberg was particularly helpful.

英 美
  • 其中MarshallColberg尤有帮助。
  • Colberg n.科尔伯格
  • helpful adj.有帮助的;有用的
  • marshall Marshall:马歇尔(人名,姓氏)
  • particularly adv.特别;尤其;详细地
  • was v.是(is,am的过去式)