Actinide
n. [化]锕类
🗣️ 情景例句
Can you give me this for cheaper?
能便宜一点给我吗？
Have you invited any girls?
你邀请女孩吗？
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。