miroir parabolique
/ˈpeɪpə ˈslaʃ ˈpeɪpəbˌɔːd ˈsɔːtɪŋ/
n
English: parabolic mirror · 抛物面反射镜
Sens：Curved mirror that concentrates the Sun’s rays toward one point in the furnace (the target area).
English: parabolic mirror · 抛物面反射镜