Objective To observe the effect of he-ne laser irradiation on injured tympanum.

目的观察低功率氦—氖激光局部照射对鼓膜外伤的疗效。

youdao

He has that je ne sais quoi that distinguishes a professional from an amateur.

他有那种难以言表的特质，体现出他是专业而非业余的。

《牛津词典》

The first ionization potentials are as follows: He, 24.6; Ne, 21.6; Ar, 15.8; Kr, 14.0; Xe, 12.1; and Rn, 10.7 eV.

稀有气体的第一电离势是这样的：He 24.6; Ne 21.6; Ar 15.8; Kr 14.0; Xe 12.1; Rn 10.7 eV。

youdao

Then he read about a famous French magician named Jean Eugne Robert-Houdin.

VOA: special.2010.12.19

The Red Dog came into being when Mark Unobsky's father warned his ne'er-do-well son that he'd better find something to do with his life, whereupon Unobsky talked his dad into buying a building in downtown Virginia City that he could get his friends to turn into a retreat from their lives as students and workers in San Francisco.

NPR: Dylan, the Red Dog and the Real Summer of Love