unstrained
adj. 未变形的；不紧张的；未滤过的
近义词：cloudy，milky，opaque，murky，unforced，
英英释义
Adjective
- not placed under psychological stress;
"the campaign would not leave party loyalties unstrained"
- not resulting from undue effort; not forced;
"a voice with a pleasingly unforced quality" "his playing is facile and unstrained"