gradine：(台阶)梯级；梯级式一排座位；(神坛后的)壁架  

词根词缀： -grad-级 + -ine名词词尾

• pyrotechnics
• Pyrrhic victory
• Pythagoras's theorem
• python
• pythoness
• Q
• QED
• qiblah
• Q-tip
• qua
• quack
• quacker
• quackery
• quadr-
• quadrangle
• quadrangular
• quadrant
• quadraphonic
• quadratic
• quadriceps
• quadricornous
• quadrilateral
• quadrille
• quadrillion
• quadriplegic