vi.

1. 走得慢；落後；延遲
   Some of the runners in the race began to lag.

   參加比賽的運動員中有一些開始落後了。

   The children were tired and lagged behind their parents.

   孩子們累了，落在了他們的父母親身後。

2. 【物】滯緩
3. 減弱，衰退
   Production lagged and unemployment rose.

   生產減少，失業增加。

vt.

1. 落後於；滯後於
   The child lags his peers in intellectual development.

   這孩子在智力發展方面比同齡人遲緩。

n.

1. 落後；滯後；衰退[C][U]
   There was a long lag in forwarding mail to us.

   郵件轉送我們前已有好長一段時間的耽擱。

2. 落後程度；遲滯量[C][U]
3. 落後者[C]
4. （事件或現象之間的）間歇[the S]
   There is a time lag of about 10 years.

   有大約十年時間的間歇。

n.[C]

1. 桶板
2. （鍋爐等的）外套；絕熱層
   the lag of a cylinder

   汽缸保溫套

vt.

1. 給……裝外套（或絕熱層）
   If you lag your hot water tank, you'll save money on your fuel bills.

   如果你給熱水箱裝上外套，你就可以少付燃料費帳了。

v.

1. fall behind; follow after a delay.
2. N. Amer. another term for string (in sense ⁶).

n.

v.

n.