lagging

n [U] material used for this 绝缘材料.

ladder, laddie, laden, Ladies, ladle, lady, lady bird, Lady Chapel, Lady Day, lady killer, lady's man (also ladies man), lady-in-waiting, lady-killer, ladybird, ladylike, ladyship (also Ladyship), lag, lag (also time-lag), lager, laggard, lagoon, lah (also la), laid, laid-back, lain, lair, laird, laisser-faire (also laissez-faire), laity, lake, Lake Poets, lakh, lam, lama, lamasery, lamb, lamb's-wool, lambaste, lambency, lambent,