Longstanding
a. 长期间的, 长期存在的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Susan's teddy bear.
Susan送的泰迪熊
He who makes himself a dove is eaten by the hawk.
弱肉强食。
Errors and uncertainties multiply, cascading upward through a chain of turbulent features,
错误和不可靠性上升，接踵而来的是一系列湍流的微状，