Musculus pulposus
It's a Chinese idiom. Pinyin is Ji ā L ú NJ ī Su ǐ, which means to soak the muscle and go deep into the bone marrow. Metaphor is very deep. It's the same as "muscle".
The origin of Idioms
"Zhu Zi Quan Shu" said: "now we must think about this paragraph again and again. If we are calm and clear, we will be reduced to the marrow."
Analysis of Idioms
A synonym for a muscle
Idiom usage
Ba Jin's autumn 39: "this is a fountain that will not be exhausted, this is the nectar of the soul."
Chinese PinYin : jiā suǐ lún jī
Musculus pulposus
Same name but different reality. míng tóng shí yì
survival of the fittest in natural selection. wù jìn tiān zé