His eyes rounded with horror.

他吓得两眼圆睁。

《牛津词典》

The oral shield is rounded with a distinct distal lobe.

口盾是圆形的，有明显的远端叶。

youdao

Her eyes rounded with excitement.

她的眼睛因兴奋而睁得滚圆。

youdao

A planetarium is a theater with a rounded ceiling onto which images of the stars and planets are projected.

VOA: special.2010.09.29

A bobsleigh is like a little car with a rounded nose made of fiberglass.

VOA: special.2010.02.10

But the most emphatic victory of the afternoon session came from Gerard Greene, who reached the fifth quarter-final of his career with a 5-0 whitewash of Ricky Walden, which he rounded off with breaks of 101 and 91.

BBC: CHOOSE A SPORT

Chairs are broken up by tables with water and chocolate for people in attendance, and there's a rounded stage with a massive projection behind it.

ENGADGET: Live from Palm's CES press conference

Days are often rounded off with a 25km (15.5 miles) hike with full kit.

BBC: Knives out for conscription into Swiss army