Transplutonics
钚后元素
🗣️ 情景例句
Bye-bye, Alexandra. Thanks.
再见 Alexandra 谢谢。
That deep sigh could only express Helen's sadness.
那深深的叹息，不外乎表示出海伦的悲哀。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。