Proterozoic
n. 元古代, 元古代岩\\na. 元古代的, 元古代岩的
🗣️ 情景例句
if it's all right with your dad.
假如你爸爸答应的话。
I mean it.
我不是开玩笑的。
She kept it tied to a tree in a field during the day and went to fetch it every evening.
白天，玛丽把羔羊拴在地里的一颗树上，每天晚上把它牵回家。