Kettering
n. 凯特灵（姓氏）
🗣️ 情景例句
That must be Nat.
这一定是Nat。
They that marry in green, their sorrow is soon seen.
过早地结婚，不久必悔恨。
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。