gnaw on短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 adj.侵蚀咬 They will take an issue and they will gnaw on that bone, and gnaw on it over and over and over for days and days, until the next bone comes along, and then they chew the new bone. 他们会找到一个话题，像啃骨头一样把这件事翻来覆去地炒作，直到另一根骨头出现，然后就去啃那根新的骨头。 blog.sina.com.cn