vi.

1. 泛滥；满（或多）得溢出
   The bathtub is overflowing.

   浴缸里的水满得溢出来了。

2. 充满；洋溢[（+with）]
   His heart overflowed with gratitude.

   他的心里充满了感激之情。

3. （因容纳不下而）挤出，外流[（+into/onto）]

vt.

1. 使涨满；从……中溢出；淹没
2. 多得使无法容纳；挤出[（+into/onto）]
   The crowd overflowed the theater into the street.

   戏院里人多得容纳不下而被挤到街头。

n.

1. 溢出；过剩；泛滥[C]
2. 溢出物；溢出量；超出额[the S]
3. 排水口；溢流管[C]

v.

1. flow over the brim of a receptacle.
   ▸spread over or cover.
2. be excessively full or crowded.
3. (overflow with) be very full of (an emotion).

n.

1. the overflowing of a liquid.
   ▸the excess not able to be accommodated by a space.
2. (also overflow pipe) an outlet for excess water.
3. Computing  the generation of a number which is too large for the assigned location.