Correct
蠕动
/ rúdòng /
Strokes
Definition
to wiggle/to squirm/peristalsis (wave movement of gut wall)
Example
As a Verb
wriggle; squirm
1
Qiūyǐn
蚯蚓
rúdòng
蠕动
zhāo
着
zuān
钻
chū
出
xiǎo
小
dòng
洞
。
The earthworm wriggled out of a small hole.
As a Verb
creep
2
Xiàngqián
向前
rúdòng
蠕动
inch along
As a Noun
peristalsis
3
Rúdòngbō
蠕动波
peristaltic wave