• declivitousadj. 相当陡的,向下倾斜的
• descent；炎黄子孙 steepest descent method 最速下降法；最陡下降法
• escarpmentn. 悬崖,断崖,绝壁,陡斜坡
• over-steepening削陡作用
• pitchingn. 铺地石；俯仰；[棒]投手投球; adj. 倾斜的；陡的; v. 用沥青涂；投掷；为…定调；使倾斜（pitch的ing形式） pitching moment 俯仰力矩 pitching
• steepishadj. 较陡的, 有点陡峭的

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