NPR 팟캐스트 영어회화 원어민영어 Day 5
NPR PodscstLife KitTo prevent digital eye strain, give those pepper a little love We want to make sure we're following them at least once a year, for sure.*diffract 꺾다, 회절시키다, 분산시키다The light's getting diffracted into a lot of different points. All combined, that prescription should be able to give you good, clear, hopefully 20/20 vision.*arbitrarily 자의적으로, 독단적으로This is all arbitrarily set.There..