Eocretaceous
[地质]始白垩层
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
Right. They're running and jumping all the time.
对，他们老是跑啊跳的。