n.[U]

1. 交通
   There is too much traffic on the road.

   这条路上行人车辆太多了。

   Police control the traffic in large cities.

   在大城市里，警察控制交通。

2. 交通行列；交通量
   Traffic is very heavy during the rush hour.

   高峰时间交通十分繁忙。

3. 贸易，买卖；非法交易[（+in）]
   Illegal traffic in protected animals is quite common there.

   非法买卖受保护的动物在那里是司空见惯的事。

4. 运输；运载量；运输业
   Passenger traffic has gone up by 20 per cent.

   客流量已增长百分之二十。

5. 交往，交流
   I don't want any more traffic with his sort.

   我不想再和他那种人来往了。

6. 电信；电信业务
   Radio traffic has stepped up enormously.

   无线电通讯已大大增加。

vt.

1. 在……上通行
   This is the most heavily trafficked highway in the state.

   这是该州交通最繁忙的一条公路。

2. 做……生意
   He made a lot of money by trafficking illicit merchandise.

   他做违禁商品买卖赚了许多钱。

vi.

1. 交易，做非法买卖[（+in）]
   The men trafficked with the natives for ivory.

   这些人与土著居民做买卖以换取象牙。

   He has trafficked in drugs for many years.

   他贩卖毒品多年。

2. 来来往往

n.

1. vehicles moving on a public highway.
2. the movement of ships, trains, or aircraft.
3. the commercial transportation of goods or passengers.
4. the messages or signals transmitted through a communications system.
5. the action of trafficking.
6. archaic dealings or communication between people.

v.