Ecostratigraphy
生态地层学
🗣️ 情景例句
Smoking makes your teeth yellow and ugly.
吸烟让你的牙齿变得又黄又丑。
Not let the grass grow under one's feet.
不失时机。
Yes, there is somebody or something. Maybe it's a tiger!
有，有人或者什么东西。可能是一只老虎！