Undermined
v. 暗地里破坏；挖…的下面（undermine的过去分词）
✅ 同义词
🗣️ 情景例句
It is great.
的确是太好了。
It's no use pumping a dry well.
徒劳无益。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。