In many cases, when a new word (thought to be) appears for the fist time, the author generally manages to give ( ) which might help the readers to grasp the concept or understand the idea.
HINTS
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。