travel的-ing形式是traveling还是travelling?
travel的-ing形式是traveling还是travelling?
travel的动名词形式是traveling还是travelling
travel的复数是travelling还是traveling?
travel的现在进行时是traveling还是travelling,知道者请急速恢复!
是traveling 还是travel
旅游新闻的英文翻译是traveling news还是travel news
是travelling还是traveling?是travelled还是traveled?
英语 :通过旅游是用by travel 还是by travelling?
go traveling还是go travel
是Do you like travel 还是Do you like traveling
He spends most of his time in traveling.这里的travel为什么加ing
travelling和traveling的区别是什么?