A fresh egg will sink and an old egg will float.

新鲜鸡蛋会下沉，旧鸡蛋会浮起来。

《柯林斯英汉双解大词典》

Some pieces sink without trace while others float, like broken meringues, on the water's surface.

有些冰块沉没在海中没了踪影，有些则漂浮在海面上，像残破的冰糕。

youdao

The atmospheric pressure and low temperatures found in the deep ocean environment should keep the liquid CO2 negatively buoyant , meaning it will sink rather than float.

大气压力和已经被发现的深海里的低温环境应该会保持CO2有负浮力，也就是它会在水里下沉而不是上浮。

youdao

He was one of the first to say, in the 1930s, that economies could just get stuck: they might sink, and then NOT float magically back up.

BBC: Masters of money: John Maynard Keynes

Britain barely joined before being forced to let its currency float (ie, sink).

ECONOMIST: EURO BRIEF

If the rates were allowed to float up to market levels, Irish households, banks, and the government itself, would all sink.

FORBES: Sovereign Debt Levels Imperil Entire Financial System