·2,447,543篇论文数据，部分数据来源于NoteExpress
Centered on the abstract category of tense and aspect, a detailed survey is carried out as to the prototype effects in the categorization of the system.
本文以英语时态范畴为视点，对英语时态系统范畴化过程中的原型效应展开了详细的调查研究。
youdao
应用推荐
模块上移
模块下移
不移动