Transplutonics
钚后元素
🗣️ 情景例句
young and old.
不管是年轻的， 还是年老的。
That's too late.
那太迟了。
'Oh, that,' he said with a smile as if he were talking about an old friend.
“噢，是它呀！他笑着说道，俨然在谈论一位老朋友。