Lithostratigraphy
n. 岩石层位学
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
Jean was outspoken about her wish to be married.
琼毫不隐讳她意欲结婚的愿望。
We regard the matter as nothing important.
我们认为这件事情不重要。