标准姿势就是两只手在一条直线上与地面成直角。

It is normal if two hands are in a line and perpendiculars to the floor.

youdao

对这个肖像姿势的标准解读提供了相应的观察——表明它要么反映了实际的社会行为，要么它借鉴了古典雕像。

Standard interpretations of this portrait posture offer observations of correspondence—demonstrating either that it mirrors actual social behavior or that it borrows from classical statuary.

youdao

基本上，头朝下腿伸在空中被认为是标准的姿势。

Basically, the head-down, legs-in-the-air position has become standard in modern medicine mainly because it gives doctors direct and unrestricted access.

youdao