lagging

名词 lagging:

1. used to wrap around pipes or boilers or laid in attics to prevent loss of heat

动词 lag:

1. hang (back) or fall (behind) in movement, progress, development, etc.
   同义词：lag, dawdle, fall back, fall behind
2. lock up or confine, in or as in a jail
   同义词：imprison, incarcerate, lag, immure, put behind bars, jail, jug, gaol, put away, remand
3. throw or pitch at a mark, as with coins
   同义词：lag
4. cover with lagging to prevent heat loss
   同义词：lag

1. One that lags; a straggler.
   落后者; 落伍者
2. Be modest, otherwise you will lag behind.
   要谦虚，否则就要落后。
3. If you lag your hot water tank, you'll save money on your fuel bill.
   如果你给热水箱装上外套，你就可以少付燃料费帐了。
4. A Soviet crash program to catch up with the West in designing powerful new computers is beginning to pay off, but the Russians still lag far behind, according to industry reports.
   根据电脑业报导，苏联为了在设计强力新型电脑上赶上西方所实行的紧急计划，已开始收效，可是俄国人仍远远落后。

lag.ging

n.（名词）
Insulation used to prevent heat diffusion, as from a steam pipe.
绝热材料：用来防止热量散失的绝热材料，如从蒸汽输送管上
A wooden frame built especially to support the sides of an arch until the keystone is positioned.
支拱板条：专门用来在拱顶石放置好以前支撑拱的两边木架子

来源：
From lag 2
源自 lag2