adopt vt. 收养; ad+opt(选择) 收养 because the Johnsons couldn't have children, they adopted an orphan(孤儿) assist vt. 辅助(同义词： aid, help) a nurse assisted the surgeon during the operation. surgeon(外科医生，军医) beneficial adj. 有益的(同义词： profitable, lucrative) Mary's college classes were beneficial to her career path. bestow vt. 增予 be+stow(地方) 给予地方，赠予 champion vt. 支持(support) Bill championed the party's nominee for president (nominee 被提名者，候选人)