标题 | besureabout的用法及例句 |
范文 | be sure of 与 be sure about 的区别: be sure of 确信 例句:She looked over her shoulder to be sure of her footing.她扭头看了看后面以确认自已是否站稳了. be sure about 对.很有把握 例句:You can be sure about their interest in it.你可以肯定他们对引很感兴趣. 物体的内能与什么 节省的近义词是什么 |
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