Protostelidae
原柱菌纲
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
When two ride on one horse, one must sit behind.
两人共骑一匹马，总有一个背后跨。
One of them was carrying a bag full of money.
其中一个提着一只装满钞票的提包。