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, ...
They sparred for a moment, on the brink of a full fight.他们互相推搡了一会儿，眼看就要大打出手了。The club are on the brink of promotion to the Premier League.俱乐部即将晋级超级联赛。I repeat that medicine is on the brink of a revolution.我要再次强调，医学面临着变革。...