Lichenologist
n. 地衣学家；青苔类植物学家 (lichenology的变形)
🗣️ 情景例句
What are you working on?
你在干什么？
I wonder if it's a real diamond.
它可是地道的钻石呀。
Look out! There's a kangaroo!
当心！一只袋鼠！