Graptolite
n. [古生]笔石( 古元脊椎动物, 现存化石 )
🗣️ 情景例句
Do you do hair coloring?
你做染发吗？
When the police arrived, I was resting.
当警察来的时候，我在休息。
I suppose it's better to be safe than sick.
我想安全总要比生病好。