Actinide
n. [化]锕类
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
How's your cousin?
你的姐妹好吗？
The workers all wear thick clothes and glassed over their eyes.
工人们作都穿着厚厚的衣服并且戴着眼镜。