unrounded

adj.

非圆唇的，不圆唇的；

v.

不以嘴唇呈圆形而发音( unround的过去式和过去分词 )；

The acquisition of unrounded vowels in English
A high unrounded vowel in Turkish: is it a central or back vowel?
Tongue Position in Rounded and Unrounded Front Vowel Pairs
The Japanese unrounded back vowel /ɯ/ is in fact unrounded central/front [ʉ - ʏ]
System and method of bypassing unrounded results in a multiply-add pipeline unit
System and method of bypassing unrounded results in a multiply-add pipeline unit
Identification and Discrimination of Rounded and Unrounded Vowels
The consonantal properties of the unrounded high‐mid back vowel /■/ in Mandarin Chinese.
Method of simultaneously fabricating isolation structures having rounded and unrounded corners
Evaluating the stresses of a stepped unrounded D-ring under uniform squeeze rate and internal pressure by photoelastic experimental ...