例句與造句

1. In 1971, Macrae published the book " Winston Churchill's Toyshop, " detailing his work at MD1, one of the most famous and successful of all the British secret " back rooms " of World War II . Macrae's book traces his work at the " toyshop, " from the limpet mine, a delayed action mine, to the sticky bomb and the Blacker Bombard, to giant, bridge-carrying assault tanks ( the " Great Eastern " ).
2. It's difficult to find delayed action mine in a sentence. 用delayed action mine造句挺難的