他从小就对科学有强烈的兴趣倾向。

He had a strong ___inclination for science from an early age.

这条小路有一个轻微的斜坡，骑自行车时要小心。

The path has a slight ___inclination, so be careful when cycling.

她天生有一种乐于助人的倾向。

She has a natural ___inclination to help others.