How to pronounce 紅外線 in Cantonese (7 out of 8):

呢 ni1

this

部機 bou6 gei1

machine

亦都 jik6 dou1

also

加 gaa3

to add

plus

(used after an adverb such as 不, 大, 稍 etc, and before a disyllabic verb, to indicate that the action of the verb is applied to sth or sb previously mentioned)

to apply (restrictions etc) to (sb)

to give (support, consideration etc) to (sth)

to increase

to augment

to append

咗 zo2

Cantonese particle equivalent to 了le [了] or 过guò [过], a particle used to indicate perfective aspect for continuous state

completed actions

past events

change of situation

紅外線 hung4 ngoi6 sin3

infrared radiation

支援 zi1 wun4

to assist