n.(儿语)爸爸
n.塔尔语
n.[矿]铍镁晶石
Technical Assistance Administration (联合国)技术援助管理处
[军] Top Attack,顶部攻击 teaching assistant,助教 symb [化]钽 Ta(tantalum)
symb [化]氚 (tritium),n.字母t