思路，连串的念头

1. 思想序列：train of impulse 冲动序列 | train of thought 思想序列 | trainability 可练习性

2. 思念的火车：08 Half breed 混血儿 | 09 Train of thought 思念的火车 | 10 Fire and rain 火与雨

3. 一连串的思想, 思路：370 hands down唾手可得地, 容易地 | 371 train of thought一连串的思想, 思路 | 372 anything but 绝非

noun

1. the connections that link the various parts of an event or argument together

    e.g. I couldn't follow his train of thought
           he lost the thread of his argument

    Synonym: thread