“doorsill”可以造什么句，doorsill造句

The price of gold is original tall the product investment cost with big heavy gram is high also this makes numerous and average investor difficult stride a doorsill.

Hard solid wood as doorsill with anti-slippy aluminium covering.

I found a collection of its monthly numbers in my eldest brother's library and devoured them day after day, seated on the doorsill of his study, facing a bit of terrace to the South.