slant: implies a noticeable physical divergence but implies NOTHING about the degree of such divergence:  handwriting that was characterized by ~ letters.


slope: oft. interchangeable with slant, may be preferred when reference is made of gradual divergence of side or surface: the land ~ to the east.(方向前加the)


incline: is likely to sug. the intervention of an external force, such as bending and tipping: graciously ~ her head in response to cheers.


lean: stress a definite directing of an inclination: ~ a ladder against the wall; or a literal or figurative resting or intent to rest against a support: ~ back in an easy chair.


slant: 任何倾斜, slope: 逐渐倾斜, incline: 外力干预, r: 1) 强调确定的倾斜方向 2) 依靠休息


记忆方法: 首字母联想，SSIL==>LI ShiShi, 李师师==>倾国倾城。