【张宇】20161219宇哥英文24-1

traffic
路上行駛的車輛；交通（是個不可數的名詞）
There's always a lot of traffic at this time of day.
每天這個時候總是有很多來往的車輛。
They were stuck in traffic and missed their flight.
他們遇到了塞車，沒有趕上班機。