🗣️ 情景例句
What's the matter?
发生了什么事？
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
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。