Correct
热源
/ rèyuán /
Strokes
Definition
heat source
Example
As a Noun
heat source
1
Qǐng
请
yuǎnlí
远离
rèyuán
热源
。
Keep off/away from heat source.
2
Méiqìguàn
煤气罐
fàngzài
放在
rèyuán
热源
fùjìn
附近
hěn
很
wēixiǎn
危险
。
It is dangerous to leave a gas cylinder near the source of heat.