词汇	rreflectance
释义	rreflectance 反射率
随便看	keep it within bounds Keep it within bounds keep jealously Keep Knowledge in Plain Text keep kosher Keep Lane keep late hours keep lead foot down keep/leave somebody dangling keep/leave your options open Keep Left Keep left along the wall Keep Leicester English facebook group Keep Leicester English facebook group! keepless keep level up keep level with keeplike keep-like tower keep lines together keeplist keep list Keep lookout for sound and visual signals keep/lose track of somebody/something keep low