折反射望远镜zhé fǎn shè wàng yuǎn jìngzhefanshewangyuanjingcatadioptric telescopeCharacters in this word反reverse, opposite射to shoot, to eject, to emit折to break, to snap望to expect, to hope, to look forward to远distant, remote, far镜mirror, glassStudy it in Yanamino