pre-classCOCA¹⁴³³²²BNC²³⁶²¹³⁺¹ 基本例句 🌏课前;课前准备;分类 “ Math aspect into three” modes of teaching aspect mainly by the following three components: pre-class bedding aspect; “三环节数学探究”教学模式主要由以下三个环节构成:课前铺垫环节;591-lw But if you want to improve your English writing or need pre-class preparation, it is necessary to discuss with J in advance. 如果是想练习写作和要求老师做课前备课,就需要和他课前沟通好。 nlt