But by blocking neurotransmitters released by interneurons, tetanus toxin causes uncontrollable muscle contractions and spasms.

但破伤风毒素通过阻断中间神经元释放的神经递质，会导致不受控的肌肉收缩。

Violent and involuntary contractions of the muscles are called convulsive motions.

肌肉剧烈和不自主的收缩称为性运动。

What's interesting is that non-contracting or non-exercising skeletal muscle is a problem.

有趣的是， 不收缩或不运动的骨骼肌反而成了问题。

Kistler's bet with Learned was to be the first one to remove all of the liquid from  the jelly without making it shrink.

奇石乐与勒尼德打赌，要成为第一个从果冻中除去所有液体而不使其收缩的人。

In an ideal world central bankers would guide a full-employment, stable-inflation economy to what is known as the neutral rate of interest, the level at which monetary policy is neither expansionary nor contractionary.

在理想世界中，央行行长会引导充分就业、通胀稳定的经济达到所谓的中性利率，即货币政策既不扩张也不收缩的水平。