Definition of open flame in English:

open flame

noun ˌəʊp(ə)n ˈfleɪm

1A state of combustion in which a flame is visible (as opposed to smouldering or glowing). Chiefly figurative or in figurative contexts: unconcealed and unrestrained passion, enmity, thoughts, etc. Frequently in "to burst into (an) open flame" and variants.
2A naked flame.

Late 16th century; earliest use found in Brian Melbancke (d. 1600), writer. From open + flame adjective.

nounˌəʊp(ə)n ˈfleɪm

1A state of combustion in which a flame is visible (as opposed to smouldering or glowing). Chiefly figurative or in figurative contexts: unconcealed and unrestrained passion, enmity, thoughts, etc. Frequently in "to burst into (an) open flame" and variants.
2A naked flame.

Late 16th century; earliest use found in Brian Melbancke (d. 1600), writer. From open + flame [adjective].

单词	open flame
释义	Definition of open flame in English: open flame noun ˌəʊp(ə)n ˈfleɪm 1A state of combustion in which a flame is visible (as opposed to smouldering or glowing). Chiefly figurative or in figurative contexts: unconcealed and unrestrained passion, enmity, thoughts, etc. Frequently in "to burst into (an) open flame" and variants. 2A naked flame. Origin Late 16th century; earliest use found in Brian Melbancke (d. 1600), writer. From open + flame adjective. Definition of open flame in US English: open flame nounˌəʊp(ə)n ˈfleɪm 1A state of combustion in which a flame is visible (as opposed to smouldering or glowing). Chiefly figurative or in figurative contexts: unconcealed and unrestrained passion, enmity, thoughts, etc. Frequently in "to burst into (an) open flame" and variants. 2A naked flame. Origin Late 16th century; earliest use found in Brian Melbancke (d. 1600), writer. From open + flame [adjective].
随便看	opening hours opening line opening machine opening medicine opening move opening night opening nights opening one's bowels opening out opening/prefatory remarks opening remarks openings opening statement opening time opening times opening up open interest open invitation open it up open-jaw open jet open juncture open learning open-legged open letter