the traffic lights were red

the traffic lights were red 基本解释

交通灯是红色的

重点词汇

traffic 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

lights n. （供食用的）家畜的肺脏；灯光（light的复数）

were be的过去时复数和第二人称单数形式；有时代替 was,用于条件从句、动词 wish 之后等