cluster sign造句

Marked by grape-cluster signs on connecting roadways, the wineries, are, in fact, hard to miss.
Three other alt-rock records to keep an ear out for : Chicago's noisy Trenchmouth mouths off with " Trenchmouth vs . The Light of Sun " ( EastWest ); Germany's electro-rock Cluster signs on in " One Hour " ( Caroline ); and Canada's grinding head makes its U . S . debut with " Jerk " ( I . R . S . ).
It's difficult to find cluster sign in a sentence. 用cluster sign造句挺难的