Della, being slender, had mastered the art.

德拉身材苗条，已精通了这门子艺术。

youdao

She has never mastered the art of public speaking.

她从没掌握演讲的艺术。

youdao

Together they have mastered the art of Tree shaping.

他们全家掌握了对树塑形的技艺。

youdao

Amanda and MayaFor the first six weeks, I mastered the art of breastfeeding while typing.

FORBES: One Funded Mom's Response to Paige Craig

Lenovo has mastered the art of selling cheap computers to people with not many yuan to spare.

ECONOMIST: Schumpeter

They mastered the art of making whirlwind stops around the country and pressing the flesh with the voters.

ECONOMIST: Iran��s reformers vault to victory