line drawing teaching的用法和樣例：
例句
- Sketch teaching is the foundation of all plastic arts.
摘要素描教學是造型藝術的基礎。 - Under the influence on colleges and universities massive enlarging recruiting scale, and various trends of new thoughts, the emphasis of sketch teaching began to weaken and waver.
在當前高等院校大規模擴招及各種新思潮的影響下，普通藝術院校素描教學的重心有所削弱和動搖。
