Similar to the balloon, what was happening on the hotplate was that the oil was forming a thin layer around the drop.

跟气球类似，电炉上发生的现象就是油形成薄膜并包裹住水滴。

Similar to the balloon, what was happening on the hotplate was that the oil was forming a thin layer around the drop.

Vitak：与气球类似，电炉上发生的事情是油在液滴周围形成薄层。