illustration

drawing, illustration, cartoon, diagram, picture, sketch, painting, portrait

这些名词都表示“画，图”之意。
drawing: 指用线条或色彩绘成的图画。
illustration: 指插入书页之间帮助说明的任何插图或图解。
cartoon: 指幽默或讽刺性漫画。
diagram: 多指科技书籍或文献中具有概括解说作用的图表、图样或略图。
picture: 指广义的“图画”，现多用来指相片、画像。
sketch: 通常只指画出物体主要特征的图画。
painting: 指着色的画。
portrait: 指肖像，只用于指人。

名词 illustration:

1. artwork that helps make something clear or attractive
2. showing by example
   同义词：exemplification
3. an item of information that is representative of a type
   同义词：example, instance, representative
4. a visual representation (a picture or diagram) that is used make some subject more pleasing or easier to understand

1. This illustration shows a section through the timber.
   本图所示为木材的纵剖面。
2. Find the year of your birth on the illustration.
   在插图上找一找你出生的年分。
3. The text is accompanied by illustration.
   正文附有插图。
4. Serving as an illustration; typical.
   典范的作为例证的; 代表性的
5. To give a definition of a word is more difficult than to give an illustration of its use.
   给一个词下定义要比举例说明它的用法困难。
6. Children like books filled with illustrations.
   孩子们喜欢插图丰富的书。