Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。To the north are the hot springs of Banyas de Sant Loan.北边是班亚斯德桑隆温泉。The bed-springs creaked.床垫的弹簧嘎吱作响。...
Unfortunately, as a standard mattress wears, the springs soften and so do not support your spine...遗憾的是，当一张标准床垫用旧后，弹簧就会变软而无法支撑你的脊椎。The bed-springs creaked.床垫的弹簧嘎吱作响。Ferroalloy and Products, Springs and Coils, Cold, Hot, ...