insulate
/ˈɪnsjʊleɪt/verb
with obj. (常作be insulated)
1
- protect (something) by interposing material that prevents the loss of heat or the intrusion of sound使隔热; 使隔音：
the room was heavily insulated against all outside noise.
房间安装了严密的隔音设施以隔离外部所有噪音。
1.1
- prevent the passage of electricity to or from (something) by covering it in non-conducting material使绝缘：
the case is carefully insulated to prevent short circuits.
盒子经过严密绝缘以防短路。
1.2
- figurative protect from the unpleasant effects or elements of something〈喻〉使不受影响, 使隔绝, 把…隔离起来：
he claims that the service is complacent and insulated from outside pressures.
他宣称服务很殷勤, 且不受外界压力的影响。
2
- archaic make (land) into an island〈古〉使（陆地）成岛屿：
the village was insulated by every flood of the river.
那个村庄每逢洪水泛滥都会成为孤岛。
词源
mid 16th cent. (in sense 2)： from Latin insula 'island' +-ATE3.