🧩 词语组成解析
long
[lɔŋ]
adj. 长的;长时间的;冗长的，过长的;长音的;
adv. 长久地;始终;遥远地;
n. 长时间，长时期;[语]长音节;（服装的）长尺寸;长裤;
vi. 渴望，极想;
带柄的
🗣️ 情景例句
Are you ready to order now, sir?
先生，你准备点菜吗？
Beautiful day, isn't it?
今天天气真好，是不是？
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。