Patency
n. 明显\\n[医] 开放, 未闭
✅ 同义词
🗣️ 情景例句
Yeah,
是啊。
The word once spoken can never be realled.
一言既出，驷马难追。
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。