Prototype kilogram
[机] 公斤原器
🧩 词语组成解析
🗣️ 情景例句
And that's dear little Max.
那是亲爱的小Max。
It isn't much.
那是微不足道的。
as if he were holding it completely enclosed in the hollow of his hand.
就好像完全握在自己手心里一样。