Hystrichosphere
n. [古生]刺球藻(原生生物类微体化石)
🗣️ 情景例句
I'm the vice-president of new toy development.
我是负责新玩具开发的副总裁。
He has a pound of beef.
他有一磅牛肉。
How old are you?
您多大岁数了？