Actinoid
a. 放射线状的\\n[化] 锕系元素; 锕系
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
Let's go out for a drive.
兜风去。
CUSTOMS OFFICER: Are you tourists?
你们是来旅游的吗？