the process of making something part of a liquid or flow of something and carrying it along

Increased areas of open water are expected to improve aeration of lake water from wind entrainment. 增加开阔水域面积，有望通过风夹带改善湖水的曝气状况。

the entrainment of air into liquid metal as it is poured into a mould 将液态金属倒入摸具时空气夹带进入金属液的过程

the process of making something have the same pattern or rhythm as something else

Brainwave entrainment is any practice that aims to cause brainwave frequencies to fall into step with a periodic stimulus. 脑电波导引是任何旨在使脑电波频率与周期性刺激同步的做法。

Entrainment means synchronization of the beats of music with natural body function or processes. 这里的”同步“是指音乐的节拍与自然的身体机能或过程同步。