例句與造句

1. During the 1980s it became clear that two - photon pumped up - conversion organic materials might be a new choice for use in laser technology
   20世紀(jì)80年代，人們意識到雙光子上轉(zhuǎn)換材料也許是一個(gè)新的選擇。
2. It's difficult to find photon pumping in a sentence. 用photon pumping造句挺難的