Ack1
[计] 确认, 肯定, 奇肯定应答
🗣️ 情景例句
Oh dear! What a pity!
啊！真遗憾！
Mountain-climbing is difficult.
登山是困难的事。
Even in his philosophical probings he cannot go behind these stereotypes;
人甚至在哲学领域的探索中，人们也无法超越这些定型的框框。