vtn英式朗读美式朗读基本解释abbr. Vientiane 万象（老挝首都）; viscosity temperature number 粘度温度值; ventral tegmental nucleus 腹侧被盖核; Voorheis, Trindle, and Nelson 渥尔黑斯上一个单词：VTL下一个单词：VTOC