Pavlov
n. 巴甫洛夫（苏联生理学家和实验心理学家, 全名为Ivan Petrovich）
🗣️ 情景例句
Are you sure?
你确定？
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
How much more?
多多少。