Traffic police

traffic ['træfɪk]

n. 交通，运输量;（非法的）交易;通信量;交际; vt. 用…作交换;在…通行; vi. 交易;买卖;

police [pə'li:s]

n. 警察部门;警方;警察;治安; vt. （警察、军队等）巡查;维护治安;（委员会等）监督;管制; adj. 警察的;有关警察的;

I think I'll have a couple of slices of vegetarian pizza.

我想我要几块素比萨饼。

An old dog barks not in vain.

老犬不空吠。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。