封鎖
blockade;block;seal off;interdict
在50年代和60年代，某些大國先后對(duì)中國采取了～或遏制的政策。In the 1950s and60s,certain big powers pursued one after another policies of blockade or containment against China./地形險(xiǎn)惡，易遭空襲和～。The extremely difficult terrain is vulnerable to air strike and interdiction./把毒品～起來seal up illegal drugs/實(shí)行～ enforce a blockade/解除～lift (or raise)a blockade/執(zhí)行反介入(海區(qū)～)任務(wù)carry out anti-access (sea-denial)missions/經(jīng)濟(jì)～ economic blockade /～港口blockade a port/～邊境close the border;seal off the border/～消息（信息）block the passage (or distribution) of information; news embargo; news blackout; prevent (or block)news leaks;keep people in the dark about