Macrofossil
n. 巨体化石,大化石
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
I played ping-pong this morning.
我今早在打乒乓球。
Which speech are you going to listen to this afternoon?
今天下午你准备去听哪个报告？