Proterozoic
n. 元古代, 元古代岩\\na. 元古代的, 元古代岩的
🗣️ 情景例句
This is something you'll have to work out yourself.
这就是你必须自己做出决定的事情。
Believe somebody on his bare word.
人言无据，切勿轻信。
Yesterday, a pigeon carried the first message from Pinhurst to Silbury.
昨天，一只鸽子把第一封信从平赫特带到锡尔伯里。