Groundbreaking
大学 Collegea. 开创性的, 突破性的
✅ 同义词
🗣️ 情景例句
But this should be your decision.
但这必须由你做决定。
To wave your arms
振臂，挥手
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。