round out

US /raʊnd aʊt/
UK /raʊnd aʊt/
"round out" picture
1.

完善, 使圆满

to complete something in a satisfactory or appropriate way

:
The final chapter rounds out the story perfectly.
最后一章完美地完善了故事。
A good dessert will round out the meal.
一份好的甜点将使这顿饭圆满
2.

完善, 充实

to make something more complete or well-developed by adding something to it

:
Adding a few more details will round out the report.
再添加一些细节将使报告更完善
His experience in marketing will round out the team's skills.
他在市场营销方面的经验将完善团队的技能。