How to pronounce 需 in Cantonese (30 out of 57):

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其中一項是評估微粒需時多久 才由口罩表面掉下
One of them is to evaluate how long it takes for particles to fall off the surface of the mask.

Cantonese Sentence Breakdown

其中 kei4 zung1
amongst
一項 jat1 hong6
classifier for sports and missions
是 si6
is
評估 ping4 gu1
evaluate
微粒 mei4 zat1
particles
需 seoi1
(noun) Demand
時 si4
o'clock
time
when
hour
season
period
era
current
timely
often
continously
frequently
fashionable
opportune
sometimes…sometimes
a surname
多久 do1 gau2
how long
才 coi4
ability
talent
sb of a certain type
a capable individual
only
only then
just now
a surname
certainly
indeed
由 jau4
to follow
from
it is for...to
reason
cause
because of
due to
to
to leave it (to sb)
by (introduces passive verb)
up to
through
a surname
口罩 hau2 zaau1
mask
表面 biu2 min6
surface
掉下 diu6 haa6
to fall down
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