Proterozoic
n. 元古代, 元古代岩\\na. 元古代的, 元古代岩的
🗣️ 情景例句
Change the light bulb, it's burnt out.
换一个灯泡吧，它烧坏了。
Are you kidding?
你是开玩笑吧？
She never thought of it again,
此后她就再没去想那只瓶子。