We have two basic types of muscle fibers, slow twitch and fast twitch.
我们每个人有两种基本的肌肉纤维，慢抽搐和快抽搐肌纤维。
Too much distance work can convert fast twitch muscle fibres into slow twitch fibres and can actually decrease an athlete's speed over time.
太多的长途运动会造成快肌纤维转换成慢肌纤维，并随着时间的推移，逐渐减慢运动员的速度。
Your distance runs, of course, produce aerobic gains, including increased blood volume and capillarization, enhanced mitochondrial density and size, and improved slow-twitch fiber development.
你的耐力训练可以提高你的有氧能力，包括增加血液量和斜阳能力，提高线粒体的密度和体积，促进慢肌纤维的发育。
While most muscles in mammals contain a mixture of slow- and fast-twitch fiber types, some muscle beds are enriched for one type or the other, Spiegelman said.
Spiegelman说，大部分哺乳动物的肌肉包含两种类型的肌纤维，但有些肌肉是偏重于富含其中的一种。
When the fish are bedding a slow moving bait that you can shake and twitch plays a big part in catching a good fish.
当鱼儿正追随慢速移动的诱饵时，你可以摇动、抖动鱼竿，这在钓鱼中有重要作用。
When the fish are bedding a slow moving bait that you can shake and twitch plays a big part in catching a good fish.
当鱼儿正追随慢速移动的诱饵时，你可以摇动、抖动鱼竿，这在钓鱼中有重要作用。
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