Graptolite
n. [古生]笔石( 古元脊椎动物, 现存化石 )
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
Who are you writing to?
你在给谁写信？
What was the conference like?
这个会议怎么样？