Northern lights
n. 北极光
🧩 词语组成解析
n. （供食用的）家畜的肺脏；灯光（light的复数）
🗣️ 情景例句
God bless you.
上帝保佑你。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。