Lanthanoid
镧系元素
🗣️ 情景例句
Yes, Mr. Tom. Let me check Miss Xu's schedule.
好，汤姆先生。让我查查徐小姐的日程表。
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
Were there any exciting incidents during your journey?
你们在旅行中有没有什么令人激动的事情？