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to crawl; to creep; to go on all fours
to slither; to wriggle
to trail (of vines, flowers, etc.); to spread; to creep
赤ちゃんが床を匍って動き回っている。
The baby is crawling around on the floor.
赤ちゃんが初めて畳の上を匍った。
The baby crawled on the tatami for the first time.
虫が壁を匍い上がった。
An insect crawled up the wall.