Actinouranium series
[化] 锕铀系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
I need to cancel that. We have had a last minute change of plans.
我要取消预约，我们临时改变计划了。
I'll see you off at the airport.
我将到机场送你。
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。