How to say "这个东西是做什么用的" (zhè ge dōng xī shì zuò shén me yòng de) in Chinese dialogue

zhègedōng西shìzuòshénmeyòngde

what the substance is used for?

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0128:48
gǎo
qīng
chǔ
méi
yǒu

Did you find out

LINE 0228:49
PLAYING SCENE
zhè
ge
dōng
西
shì
zuò
shén
me
yòng
de

what the substance is used for?

LINE 0328:52
lǎo
bǎi
xìng
zuì
jìn
de
yòng

Its most common use for civilians is in water treatment plants,

Show Information
Source MediaTV Series
Season & EpisodeS1 E9
Timestamp28:49
TMDB ID278868