The car slid down the steep gradient into the river.汽车滑下陡峭的斜坡掉入河中.This indicates a hydrodynamic condition with a very marked potentiometric gradient.这说明水动力条件具有很明显的位能梯度.4 gradient arrays marked A, B, C and D were set up.布...
He will jump on anyone who contradicts him.谁不同意他,他就骂谁.His statement contradicts with the facts.他所说的话与事实矛盾.He contradicts everything 1 say, even if he has to insist that black is white.他反驳我说的每一件事, 甚至坚持指鹿为马....