Eurypterid
n. [古生]广翅鲎
🗣️ 情景例句
In North America when people meet each other for the first time.
在北美，当人们第一次彼此见面时。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
The are no batteries in the radio.
收音机里没电池。