Cement

The exchange of gossip can effectively cement a friendship.

场景：总统访问是为了加强两国联盟

造句：The president’s visit was Intended to cement the alliance between the two countries.

cement 后常接表示“关系”的名词，比如 relationship, friendship, tie, bond, connection 等词。比如，相似的价值观和阅历可以加强关系：