Graptolite
n. [古生]笔石( 古元脊椎动物, 现存化石 )
🗣️ 情景例句
We are going to celebrate all weekend.
我们整个周末都要进行庆祝。
It's due in at noon.
正午到达。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。