Cautions
n. 小心( caution的名词复数 ); 谨慎; （对危险或风险的）警告; （警察向犯轻罪的人发出的）警告\\nv. 警告, 提醒, 劝…小心( caution的第三人称单数 )
🗣️ 情景例句
Can I see it?
我可以看吗？
I dislike snakes.
我讨厌蛇。
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。