beach·head /ˈbiʧˌhɛd/
灘頭陣地
beachhead
n 1: a bridgehead on the enemy's shoreline seized by an
amphibious operation; "the Germans were desperately
trying to contain the Anzio beachhead"
2: an initial accomplishment that opens the way for further
developments; "the town became a beachhead in the campaign
to ban smoking outdoors"; "they are presently attempting
to gain a foothold in the Russian market" [syn: foothold]