created sense approved 变色/變色 · biànsè · change countenance
变色 / 變色
biànsè
change countenance
to change facial expression suddenly, typically due to anger, fear, or shock
听到这个消息,他不禁勃然变色。
verb
created sense approved 变色/變色 · biànsè · discolor
变色 / 變色
biànsè
discolor
to change color or lose original color due to physical or chemical processes
这种材料在阳光直射下会变色。
verb