Graptolite
n. [古生]笔石( 古元脊椎动物, 现存化石 )
🗣️ 情景例句
you had some doubts about wanting to go to Michigan.
你对上Michigan大学有些疑虑。
Won''t you iron this shirt for me?
可以帮我烫这件衬衫吗？
How about going out for dinner?
出去吃晚餐如何？