tsa的翻译，读音
释义：
abbr. 旅游储蓄协会（Toursit Saving Association）；运输标准化局（Transportation Standardization Agency）；肿瘤特异性抗原（tumor-specific antigen）；（英）培训服务局（Training Services Agency）
n an agency established in 2001 to safeguard United States transportation systems and insure safe air travel
n an agency established in 2001 to safeguard United States transportation systems and insure safe air travel