lag

[læg]

v.落后, 减退, 缓慢进行
n.落后, 时间间隔
n.保温层,木桶板
vt.装隔热层于
n. 罪犯,刑期
vt. 逮捕

例句与用法：

I felt completely disorientated with the jet lag.

我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。

Interest lags in such matters.

对这类事情的兴趣慢慢减少了。

There was a long lag in forwarding mail to us.

转寄给我们的邮件晚了很久才拿到。

The children always lag behind when we go for a walk.

我们出去散步时，孩子们总是落在后面。

词形变化：

名词: lagger | 动词过去式: lagged | 动词过去分词: lagged | 动词现在分词: lagging | 动词第三人称单数: lags |

详细释义：

vi.

1. 走得慢; 落后; 延迟

Some of the runners in the race began to lag.

参加比赛的运动员中有一些开始落后了。

The children were tired and lagged behind their parents.

孩子们累了, 落在了他们的父母亲身后。

2. 【物】滞缓

3. 减弱, 衰退

Production lagged and unemployment rose.

生产减少, 失业增加。

vt.

落后于; 滞后于

The child lags his peers in intellectual development.

这孩子在智力发展方面比同龄人迟缓。

n.

1. 落后; 滞后; 衰退[C][U]

There was a long lag in forwarding mail to us.

邮件转送我们前已有好长一段时间的耽搁。

2. 落后程度; 迟滞量[C][U]

3. 落后者[C]

4. (事件或现象之间的)间歇[the S]

There is a time lag of about 10 years.

有大约十年时间的间歇。

n.[C]

1. 桶板

2. (锅炉等的)外套; 绝热层

the lag of a cylinder

汽缸保温套

vt.

给……装外套(或绝热层)

If you lag your hot water tank, you'll save money on your fuel bills.

如果你给热水箱装上外套, 你就可以少付燃料费帐了。

短语词组：

lag behind

1. 落后; 落后于

The supply lags behind the demand.

供不应求。