1. (色彩的)浓淡，深浅，色度
A shade of a particular colour is one of its different forms. For example, emerald green and olive green are shades of green.
e.g. In the mornings the sky appeared a heavy shade of mottled gray...
清晨，天空呈现出斑驳的深灰色。
e.g. The walls were painted in two shades of green.
墙壁是用深浅两种绿色油漆的。
2. 阴凉处;背阴;(树)阴
Shade is an area of darkness under or next to an object such as a tree, where sunlight does not reach.
shade
e.g. Temperatures in the shade can reach forty-eight degrees celsius at this time of year...
一年中的这个时间,背阴处的温度可达到 48 摄氏度。
e.g. Alexis walked up the coast, and resumed his reading in the shade of an overhanging cliff.
亚历克西斯顺着海岸前行，走到一处悬崖下的阴凉地又重新开始阅读。
3. 给…遮挡(光线);荫蔽
If you say that a place or person is shaded by objects such as trees, you mean that the place or person cannot be reached, harmed, or bothered by strong sunlight because those objects are in the way.
e.g. ...a health resort whose beaches are shaded by palm trees...
海滩上棕榈树成阴的疗养胜地
e.g. Most plants prefer to be lightly shaded from direct, hot sunlight...
大多数植物都要尽量避免强光直射。