The gap was large enough for him to insert a finger.缝隙足够大, 他可以插进去一根手指头。

I inserted the paper between the pages of the book.我把报纸插在了书页之间。

She inserted a coin into the slot.她把一枚硬币塞入了投币口。

They wished to insert a new clause in the agreement.他们希望在协议中添加一项新条款。