旅行: to travel, journey, trip...
来源于: to originate in...
抑扬顿挫: cadence, modulation...
起伏: to move up and down, to undulate, ups and downs...
连: to link, to join, to connect, continuously, in succession, including, (used with etc) even, company (military)...
株: tree trunk, stump (tree root), a plant, classifier for trees or plants, strain (biology), to involve others (in shady business)...
迟疑: to hesitate...
户: a household, door, family...
快速: fast, high-speed, rapid...
潜在: hidden, potential, latent...
