Instead, Kepler will use a powerful optical telescope to detect the slight dimming of light that results when a planet moves between us and its star.

• 记得有一次间质性肺炎的病例，由于诊断 不清，因此肺穿后送病理，临床医生打了个首拟的诊断--嗜酸细胞性肺炎。