直观

shēng dòng qiě zhí guān

生动且直观

vivid and explicit

yǒu xiē xué shēng duì shù xué gài niàn yǒu zhí guān de liǎo jiě

有些学生对数学概念有直观的了解。

Some students have an intuitive grasp of mathematical concepts.

zhí guān de cái liào yǒu zhù yú jiā qiáng jì yì

直观的材料有助于加强记忆。

Visual material aids the retention of information.