Lectostratotype
选定标准地层剖面, 选层型
🗣️ 情景例句
Sorry, Richard. They don't have it.
对不起 Richard 他们那里没有。
Why are you always late? You're fired!
你怎么老是迟到？你被解雇了！
Li Lei ran much faster than the other boys.
李磊跑得比其他男孩快得多。