發出乳白色光
Opalesce \O`pal*esce"\, v. i. [imp. & p. p. {Opalesced}; p. pr. & vb. n. {Opalescing}.] To give forth a play of colors, like the opal.
opalesce v 1: reflect light or colors like an opal; "Distant clouds opalesce like pale brocade"; "raindrops caught in a sunbeam seem to opalesce" 2: exhibit a play of colors like that of an opal; "This nitrate opalesces under certain conditions"