So it's past the critical angle; the angle is smaller.

它超过了临界角;,角度变小。

youdao

Suppose I set the angle of the ladder exactly at the critical point.

假设我使,梯子正好,处于这个临界角。

youdao

Suppose I set the angle of the ladder exactly at the critical point.

假设我使,梯子正好,处于这个临界角。

youdao