Definition: to push something very hard into something else Level: C2
他把铁锹用力插入松软的泥土中。
He ___plunged the spade ___into the soft ground.
他感觉好像有人把刀插进了他的肚子。
He felt as if someone ___plunged a knife ___into his belly.
消防员将斧头猛力插入燃烧的门中以破门而入。
The firefighter ___plunged the axe ___into the burning door to break it open.
