clin =clim 倾斜
climb 爬(斜)
decline 下降,衰退
recline 向后 →斜靠
incline 倾斜,倾向于.
clinet 客户
clar 清楚=clear
declare 宣布,声明
clarity n 清晰 clarify v 澄清, 阐明 clarification n