Tna
abbr. 四硝基苯胺（Tetranitro-Aniline）；瞬态网络分析器（Transient Network Analyzer）
🗣️ 情景例句
Where's your grandson Robbie and his friend Alexandra?
你的孙子Robbie和他的朋友Alexandra呢？
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。