Lectostratotype
选定标准地层剖面, 选层型
🗣️ 情景例句
Well, it's a very easy operation, Carl.
这是个很简单的手术 Carl。
In elementary school,the child learns to read and write.
在小学，孩子学习读写。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。