名詞 lag:

1. the act of slowing down or falling behind
   同義詞：slowdown, retardation
2. the time between one event, process, or period and another
   同義詞：interim, meantime, meanwhile
3. one of several thin slats of wood forming the sides of a barrel or bucket
   同義詞：stave

動(dòng)詞 lag:

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

1. I felt completely disorientated with the jet lag.
   我乘長途飛機(jī)後因生理節(jié)奏失調(diào)而感到昏昏沉沉的。
2. Interest lags in such matters.
   對(duì)這類事情的興趣慢慢減少了。
3. There was a long lag in forwarding mail to us.
   轉(zhuǎn)寄給我們的郵件晚了很久才拿到。
4. The children always lag behind when we go for a walk.
   我們出去散步時(shí)，孩子們總是落在后面。

lag

v.（動(dòng)詞）
lagged,lag.ging,lags
v.intr.（不及物動(dòng)詞）
To fail to keep up a pace; straggle.
跟不上；落伍
To proceed or develop with comparative slowness:
緩慢的進(jìn)行：以相對(duì)較慢的速度行進(jìn)或發(fā)展：
例句：
The electric current lags behind the voltage.
電流的相位小于電壓

To fail, weaken, or slacken gradually; flag.
減弱：逐漸減弱、衰退或動(dòng)搖；低落
Games To determine the order of play in billiards by successively hitting the cue ball against the end rail, the ball rebounding closest to the head rail indicating the player to shoot first.
【游戲】 （以擊母球的方式）決定先后次序：一種決定臺(tái)球比賽順序的方法，即在成功地?fù)糁心盖虻走叢⑹蛊鋸呐_(tái)球桌底邊上彈回后，以最靠近頂邊的球的擊打者為先擊者
v.tr.（及物動(dòng)詞）
To cause to hang back or fall behind.
落后于：使畏縮不前或落后
To shoot, throw, or pitch (a coin, for example) at a mark.
投，擲：向一個(gè)目標(biāo)射出、扔或投擲（如硬幣等）
n.（名詞）
The act, process, or condition of lagging.
落后：落后的動(dòng)作、進(jìn)程或狀況
One that lags.
落后者
A condition of slowness or retardation.
遲滯或緩慢的情況

The extent or duration of lagging:
滯緩的持續(xù)時(shí)間或程度：
例句：
.He wondered darkly at how great a lag there was between his thinking and his actions.(Thomas Wolfe)
.他暗暗驚訝于自己在思想和行動(dòng)上有如此大的差距.(托馬斯·沃爾夫)

An interval between events or phenomena considered together.
間隔的時(shí)間：在被認(rèn)為是連續(xù)的事件或現(xiàn)象之間的間隔

來源：
From earlier lag [last person]
源自較早期 lag [最后一個(gè)人]
from Middle English lag- [last]
源自 中古英語 lag- [最后的]
[perhaps of Scandinavian origin]
[可能源于斯堪的納維亞語]

【引伸】
lag.ger
n.（名詞）

---------------另--------------
lag
lag 2

n.（名詞）
A barrel stave.
桶板
A strip, as of wood, that forms a part of the covering for a cylindrical object.
絞板：用來構(gòu)成圓柱形物體覆蓋物的（木）條
v.tr.（及物動(dòng)詞）
lagged,lag.ging,lags
To furnish or cover with lags.
把…用桶板裝飾或覆蓋

來源：
[Probably of Scandinavian origin] ; akin to Swedish lagg * see leu-
[可能源于斯堪的納維亞語] ；類似于 瑞典語 lagg *參見 leu-

lag
lag 3

v.tr.（及物動(dòng)詞）
lagged,lag.ging,lags
To arrest.
逮捕
To send to prison.
送…入獄
n.（名詞）

A convict.
罪犯
An ex-convict.
已經(jīng)刑滿的罪犯
A period of imprisonment; a sentence.
徒刑期限；判決

來源：
[Origin unknown]
[來源不明]