ลองเสียง(long-sìang)

Meanings

1VerbB1

[to] do a sound check; [to] test the sound

to do a sound check; to test the audio, voice, or microphone before a performance or recording

Word Breakdown

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ลองเสียงlong-sìangลองเสียงlong-sìang[to] do a sound check; [to] test the sound