Traffic lights
[ ['træfiklaits] ]
辅助 Assistant
红绿灯
🧩 词语组成解析
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;
n. （供食用的）家畜的肺脏；灯光（light的复数）
🗣️ 情景例句
Hi, Pop. Hi, Son.
你好， 爸。你好 ，儿子。
The United Nations conference is projected for next year.
联合国大会预定明年召开。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。