Difference limen
听觉锐度，最小可觉差; 差阈
🧩 词语组成解析
n. 阈限\\n[医] 阀
🗣️ 情景例句
When's the last time you took a vacation?
上次你去度假是什么时候？
My parents speak English perfectly.
我的父母能流利地说英语。
Not a sound was heard.
一点声音也没有。