Tsa
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）
🗣️ 情景例句
That's fine with me. I can do it either day.
对我来说时间很适合。两天中哪一天我都可以。
It's earier to run down the hill than go up.
下山容易上山难。
Many of the tourists on board had begun bargaining with the tradesmen, but I decide not to buy anything until I had disembarked.
船上许多游客开始同商贩讨价还价起来，但我打定主意上岸之前什么也不买。