Longstanding
a. 长期间的, 长期存在的
✅ 同义词
🔴 反义词
🗣️ 情景例句
The boy has infected tonsils,
这孩子的扁桃腺受到感染了，
Only by working hard can we succeed in doing anything.
只有通过努力工作我们才能成功。
It's a beautiful day today.
今天天气真好。