Definition: If an insect crawls, it uses its legs to move. Level: C2
有只蚂蚁在你腿上爬。
There's an ant ___crawling up your leg.
数十只大红蚂蚁正爬到她身上。
Tens of big red ants are ___crawling onto her.
仔细观察后，我们注意到一队小昆虫正沿着窗台爬行。
Upon closer inspection, we noticed a line of tiny insects ___crawling along the window sill.
