Polk
vi. [口]跳波尔卡舞
🗣️ 情景例句
I suppose so.
我认为是这样。
May I reconfirm my flight?
我可以确认我的班机吗？
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。