自由浮动汇率制度: freely floating rate systemvariable exchange rate system
蛇形: snakelike; s-shaped 短语和例子他的背上有一个蛇形的红斑。 there was a red mark on his back in the shape of the letter s.; 蛇形飞行 snaking; 蛇形航线 zigzag course; 蛇形号 serpent; 蛇形运动 [脊椎] serpentine locomotion; 蛇形钻杆
