plunk down

I plunked down $24.95 for the new paperback edition.

我花费了$24.95买了这本新平装书。

Plunk down your money!

将钱丢下!

The birds that aren't quite airworthy have to plunk down in the gentle surf where tiger sharks are waiting for them.

那些太耐飞的鸟落在有虎鲨等候的轻缓海浪里。