他们之间最初的吸引力纯粹是身体上的。

The initial ___attraction between them was purely physical.

从第一次见面起，她就对他有一种难以言喻的吸引力。

From their first meeting, she felt an inexplicable ___attraction to him.

有一种不可否认的相互吸引力，一种无法忽视的化学反应。

There was an undeniable mutual ___attraction, a chemistry that was impossible to ignore.